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main
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all-contri
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@ -1920,519 +1920,6 @@
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|
||||
"name": "Charles Hall",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/7003738?v=4",
|
||||
"profile": "https://github.com/CobaltCause",
|
||||
"contributions": [
|
||||
"infra"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "krmpotic",
|
||||
"name": "Luka Krmpotić",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/10350645?v=4",
|
||||
"profile": "https://github.com/krmpotic",
|
||||
"contributions": [
|
||||
"content"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "jurglic",
|
||||
"name": "Jurglic",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/112600?v=4",
|
||||
"profile": "https://github.com/jurglic",
|
||||
"contributions": [
|
||||
"content"
|
||||
]
|
||||
},
|
||||
{
|
||||
"login": "OfirLauber",
|
||||
"name": "Ofir Lauber",
|
||||
"avatar_url": "https://avatars.githubusercontent.com/u/5631030?v=4",
|
||||
"profile": "https://github.com/OfirLauber",
|
||||
"contributions": [
|
||||
"content"
|
||||
]
|
||||
}
|
||||
],
|
||||
"contributorsPerLine": 8,
|
||||
|
|
@ -2441,6 +1928,5 @@
|
|||
"repoType": "github",
|
||||
"repoHost": "https://github.com",
|
||||
"skipCi": true,
|
||||
"commitConvention": "angular",
|
||||
"commitType": "docs"
|
||||
"commitConvention": "angular"
|
||||
}
|
||||
|
|
|
|||
4
.envrc
4
.envrc
|
|
@ -1,4 +0,0 @@
|
|||
#!/usr/bin/env bash
|
||||
|
||||
# Automatically Load nix devShell w/dotenv
|
||||
use flake
|
||||
|
|
@ -10,28 +10,11 @@ env:
|
|||
CARGO_TERM_COLOR: always
|
||||
|
||||
jobs:
|
||||
fmt:
|
||||
build:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
- uses: actions/checkout@v3
|
||||
- uses: dtolnay/rust-toolchain@stable
|
||||
with:
|
||||
components: rustfmt
|
||||
- uses: DavidAnson/markdownlint-cli2-action@v9
|
||||
with:
|
||||
globs: "exercises/**/*.md"
|
||||
- name: Run cargo fmt
|
||||
run: |
|
||||
cargo fmt --all -- --check
|
||||
test:
|
||||
runs-on: ${{ matrix.os }}
|
||||
strategy:
|
||||
matrix:
|
||||
os: [ubuntu-latest, windows-latest, macOS-latest]
|
||||
steps:
|
||||
- uses: actions/checkout@v3
|
||||
- uses: dtolnay/rust-toolchain@stable
|
||||
- uses: swatinem/rust-cache@v2
|
||||
- name: Run cargo test
|
||||
run: |
|
||||
cargo test
|
||||
- name: Build
|
||||
run: cargo build --verbose
|
||||
- name: Run tests
|
||||
run: cargo test --verbose
|
||||
|
|
|
|||
|
|
@ -1,88 +0,0 @@
|
|||
# Workflow to build your docs with oranda (and mdbook)
|
||||
# and deploy them to Github Pages
|
||||
name: Web
|
||||
|
||||
# We're going to push to the gh-pages branch, so we need that permission
|
||||
permissions:
|
||||
contents: write
|
||||
|
||||
# What situations do we want to build docs in?
|
||||
# All of these work independently and can be removed / commented out
|
||||
# if you don't want oranda/mdbook running in that situation
|
||||
on:
|
||||
# Check that a PR didn't break docs!
|
||||
#
|
||||
# Note that the "Deploy to Github Pages" step won't run in this mode,
|
||||
# so this won't have any side-effects. But it will tell you if a PR
|
||||
# completely broke oranda/mdbook. Sadly we don't provide previews (yet)!
|
||||
pull_request:
|
||||
|
||||
# Whenever something gets pushed to main, update the docs!
|
||||
# This is great for getting docs changes live without cutting a full release.
|
||||
#
|
||||
# Note that if you're using cargo-dist, this will "race" the Release workflow
|
||||
# that actually builds the Github Release that oranda tries to read (and
|
||||
# this will almost certainly complete first). As a result you will publish
|
||||
# docs for the latest commit but the oranda landing page won't know about
|
||||
# the latest release. The workflow_run trigger below will properly wait for
|
||||
# cargo-dist, and so this half-published state will only last for ~10 minutes.
|
||||
#
|
||||
# If you only want docs to update with releases, disable this, or change it to
|
||||
# a "release" branch. You can, of course, also manually trigger a workflow run
|
||||
# when you want the docs to update.
|
||||
push:
|
||||
branches:
|
||||
- main
|
||||
|
||||
# Whenever a workflow called "Release" completes, update the docs!
|
||||
#
|
||||
# If you're using cargo-dist, this is recommended, as it will ensure that
|
||||
# oranda always sees the latest release right when it's available. Note
|
||||
# however that Github's UI is wonky when you use workflow_run, and won't
|
||||
# show this workflow as part of any commit. You have to go to the "actions"
|
||||
# tab for your repo to see this one running (the gh-pages deploy will also
|
||||
# only show up there).
|
||||
workflow_run:
|
||||
workflows: [ "Release" ]
|
||||
types:
|
||||
- completed
|
||||
|
||||
# Alright, let's do it!
|
||||
jobs:
|
||||
web:
|
||||
name: Build and deploy site and docs
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
# Setup
|
||||
- uses: actions/checkout@v3
|
||||
with:
|
||||
fetch-depth: 0
|
||||
- uses: dtolnay/rust-toolchain@stable
|
||||
- uses: swatinem/rust-cache@v2
|
||||
|
||||
# If you use any mdbook plugins, here's the place to install them!
|
||||
|
||||
# Install and run oranda (and mdbook)
|
||||
# This will write all output to ./public/ (including copying mdbook's output to there)
|
||||
- name: Install and run oranda
|
||||
run: |
|
||||
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/axodotdev/oranda/releases/download/v0.3.1/oranda-installer.sh | sh
|
||||
oranda build
|
||||
|
||||
# Deploy to our gh-pages branch (creating it if it doesn't exist)
|
||||
# the "public" dir that oranda made above will become the root dir
|
||||
# of this branch.
|
||||
#
|
||||
# Note that once the gh-pages branch exists, you must
|
||||
# go into repo's settings > pages and set "deploy from branch: gh-pages"
|
||||
# the other defaults work fine.
|
||||
- name: Deploy to Github Pages
|
||||
uses: JamesIves/github-pages-deploy-action@v4.4.1
|
||||
# ONLY if we're on main (so no PRs or feature branches allowed!)
|
||||
if: ${{ github.ref == 'refs/heads/main' }}
|
||||
with:
|
||||
branch: gh-pages
|
||||
# Gotta tell the action where to find oranda's output
|
||||
folder: public
|
||||
token: ${{ secrets.GITHUB_TOKEN }}
|
||||
single-commit: true
|
||||
|
|
@ -11,8 +11,3 @@ rust-project.json
|
|||
!.vscode/extensions.json
|
||||
*.iml
|
||||
*.o
|
||||
public/
|
||||
.direnv/
|
||||
|
||||
# Local Netlify folder
|
||||
.netlify
|
||||
|
|
|
|||
|
|
@ -1,2 +0,0 @@
|
|||
# MD013/line-length Line length, Expected: 80
|
||||
MD013: false
|
||||
71
AUTHORS.md
71
AUTHORS.md
|
|
@ -273,77 +273,6 @@ authors.
|
|||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/Nagidal"><img src="https://avatars.githubusercontent.com/u/7075397?v=4?s=100" width="100px;" alt="Nagidal"/><br /><sub><b>Nagidal</b></sub></a><br /><a href="#content-Nagidal" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://adabrew.com"><img src="https://avatars.githubusercontent.com/u/25161597?v=4?s=100" width="100px;" alt="Adam Brewer"/><br /><sub><b>Adam Brewer</b></sub></a><br /><a href="#content-adamhb123" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/eugkhp"><img src="https://avatars.githubusercontent.com/u/25910599?v=4?s=100" width="100px;" alt="Eugene"/><br /><sub><b>Eugene</b></sub></a><br /><a href="#tool-eugkhp" title="Tools">🔧</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://social.linux.pizza/@navicore"><img src="https://avatars.githubusercontent.com/u/110999?v=4?s=100" width="100px;" alt="Ed Sweeney"/><br /><sub><b>Ed Sweeney</b></sub></a><br /><a href="#content-navicore" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/javihernant"><img src="https://avatars.githubusercontent.com/u/73640929?v=4?s=100" width="100px;" alt="javihernant"/><br /><sub><b>javihernant</b></sub></a><br /><a href="#content-javihernant" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/VegardMatthey"><img src="https://avatars.githubusercontent.com/u/59250656?v=4?s=100" width="100px;" alt="Vegard"/><br /><sub><b>Vegard</b></sub></a><br /><a href="#content-VegardMatthey" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/ryanwhitehouse"><img src="https://avatars.githubusercontent.com/u/13400784?v=4?s=100" width="100px;" alt="Ryan Whitehouse"/><br /><sub><b>Ryan Whitehouse</b></sub></a><br /><a href="#content-ryanwhitehouse" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/guoard"><img src="https://avatars.githubusercontent.com/u/65511355?v=4?s=100" width="100px;" alt="Ali Afsharzadeh"/><br /><sub><b>Ali Afsharzadeh</b></sub></a><br /><a href="#content-guoard" title="Content">🖋</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://keogami.ml"><img src="https://avatars.githubusercontent.com/u/41939011?v=4?s=100" width="100px;" alt="Keogami"/><br /><sub><b>Keogami</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=keogami" title="Documentation">📖</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/ahresse"><img src="https://avatars.githubusercontent.com/u/28402488?v=4?s=100" width="100px;" alt="Alexandre Esse"/><br /><sub><b>Alexandre Esse</b></sub></a><br /><a href="#content-ahresse" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://resilient.tech"><img src="https://avatars.githubusercontent.com/u/16315650?v=4?s=100" width="100px;" alt="Sagar Vora"/><br /><sub><b>Sagar Vora</b></sub></a><br /><a href="#content-sagarvora" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/poneciak57"><img src="https://avatars.githubusercontent.com/u/94321164?v=4?s=100" width="100px;" alt="Kacper Poneta"/><br /><sub><b>Kacper Poneta</b></sub></a><br /><a href="#content-poneciak57" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://ktheory.com/"><img src="https://avatars.githubusercontent.com/u/975?v=4?s=100" width="100px;" alt="Aaron Suggs"/><br /><sub><b>Aaron Suggs</b></sub></a><br /><a href="#content-ktheory" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/alexwh"><img src="https://avatars.githubusercontent.com/u/1723612?v=4?s=100" width="100px;" alt="Alex"/><br /><sub><b>Alex</b></sub></a><br /><a href="#content-alexwh" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/stornquist"><img src="https://avatars.githubusercontent.com/u/42915664?v=4?s=100" width="100px;" alt="Sebastian Törnquist"/><br /><sub><b>Sebastian Törnquist</b></sub></a><br /><a href="#content-stornquist" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://smlavine.com"><img src="https://avatars.githubusercontent.com/u/33563640?v=4?s=100" width="100px;" alt="Sebastian LaVine"/><br /><sub><b>Sebastian LaVine</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=smlavine" title="Code">💻</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://www.alangerber.us"><img src="https://avatars.githubusercontent.com/u/201313?v=4?s=100" width="100px;" alt="Alan Gerber"/><br /><sub><b>Alan Gerber</b></sub></a><br /><a href="#content-akgerber" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://esotuvaka.github.io"><img src="https://avatars.githubusercontent.com/u/104941850?v=4?s=100" width="100px;" alt="Eric"/><br /><sub><b>Eric</b></sub></a><br /><a href="#content-esotuvaka" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/az0977776"><img src="https://avatars.githubusercontent.com/u/9172038?v=4?s=100" width="100px;" alt="Aaron Wang"/><br /><sub><b>Aaron Wang</b></sub></a><br /><a href="#content-az0977776" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/nmay231"><img src="https://avatars.githubusercontent.com/u/35386821?v=4?s=100" width="100px;" alt="Noah"/><br /><sub><b>Noah</b></sub></a><br /><a href="#content-nmay231" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/rb5014"><img src="https://avatars.githubusercontent.com/u/105397317?v=4?s=100" width="100px;" alt="rb5014"/><br /><sub><b>rb5014</b></sub></a><br /><a href="#content-rb5014" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/deedy5"><img src="https://avatars.githubusercontent.com/u/65482418?v=4?s=100" width="100px;" alt="deedy5"/><br /><sub><b>deedy5</b></sub></a><br /><a href="#content-deedy5" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/lionel-rowe"><img src="https://avatars.githubusercontent.com/u/26078826?v=4?s=100" width="100px;" alt="lionel-rowe"/><br /><sub><b>lionel-rowe</b></sub></a><br /><a href="#content-lionel-rowe" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/Ben2917"><img src="https://avatars.githubusercontent.com/u/10279994?v=4?s=100" width="100px;" alt="Ben"/><br /><sub><b>Ben</b></sub></a><br /><a href="#content-Ben2917" title="Content">🖋</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/b1ue64"><img src="https://avatars.githubusercontent.com/u/77976308?v=4?s=100" width="100px;" alt="b1ue64"/><br /><sub><b>b1ue64</b></sub></a><br /><a href="#content-b1ue64" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/lazywalker"><img src="https://avatars.githubusercontent.com/u/53956?v=4?s=100" width="100px;" alt="lazywalker"/><br /><sub><b>lazywalker</b></sub></a><br /><a href="#content-lazywalker" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/proofconstruction"><img src="https://avatars.githubusercontent.com/u/74747193?v=4?s=100" width="100px;" alt="proofconstruction"/><br /><sub><b>proofconstruction</b></sub></a><br /><a href="#infra-proofconstruction" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://www.youtube.com/channel/UCQCjA6qUutAtWqkCA4Z36CQ"><img src="https://avatars.githubusercontent.com/u/16007179?v=4?s=100" width="100px;" alt="IVIURRAY"/><br /><sub><b>IVIURRAY</b></sub></a><br /><a href="#content-IVIURRAY" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/b-apperlo"><img src="https://avatars.githubusercontent.com/u/91734527?v=4?s=100" width="100px;" alt="Bert Apperlo"/><br /><sub><b>Bert Apperlo</b></sub></a><br /><a href="#content-b-apperlo" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://fwdekker.com/"><img src="https://avatars.githubusercontent.com/u/13442533?v=4?s=100" width="100px;" alt="Florine W. Dekker"/><br /><sub><b>Florine W. Dekker</b></sub></a><br /><a href="#content-FWDekker" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/luhem7"><img src="https://avatars.githubusercontent.com/u/4008215?v=4?s=100" width="100px;" alt="Mehul Gangavelli"/><br /><sub><b>Mehul Gangavelli</b></sub></a><br /><a href="#content-luhem7" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/Frosthage"><img src="https://avatars.githubusercontent.com/u/14823314?v=4?s=100" width="100px;" alt="Mikael Frosthage"/><br /><sub><b>Mikael Frosthage</b></sub></a><br /><a href="#content-Frosthage" title="Content">🖋</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://robertfry.xyz"><img src="https://avatars.githubusercontent.com/u/43712054?v=4?s=100" width="100px;" alt="Robert Fry"/><br /><sub><b>Robert Fry</b></sub></a><br /><a href="#content-robertefry" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/tajo48"><img src="https://avatars.githubusercontent.com/u/55502906?v=4?s=100" width="100px;" alt="tajo48"/><br /><sub><b>tajo48</b></sub></a><br /><a href="#content-tajo48" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://anishchhetri.com.np"><img src="https://avatars.githubusercontent.com/u/98446102?v=4?s=100" width="100px;" alt="Anish"/><br /><sub><b>Anish</b></sub></a><br /><a href="#content-novanish" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/vnprc"><img src="https://avatars.githubusercontent.com/u/9425366?v=4?s=100" width="100px;" alt="vnprc"/><br /><sub><b>vnprc</b></sub></a><br /><a href="#content-vnprc" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://androecia.net"><img src="https://avatars.githubusercontent.com/u/61999256?v=4?s=100" width="100px;" alt="Joshua Carlson"/><br /><sub><b>Joshua Carlson</b></sub></a><br /><a href="#content-jrcarl624" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://johndesilencio.me"><img src="https://avatars.githubusercontent.com/u/20136554?v=4?s=100" width="100px;" alt="Nicholas R. Smith"/><br /><sub><b>Nicholas R. Smith</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=johnDeSilencio" title="Code">💻</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://alexfertel.me"><img src="https://avatars.githubusercontent.com/u/22298999?v=4?s=100" width="100px;" alt="Alexander González"/><br /><sub><b>Alexander González</b></sub></a><br /><a href="#content-alexfertel" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/softarn"><img src="https://avatars.githubusercontent.com/u/517619?v=4?s=100" width="100px;" alt="Marcus Höjvall"/><br /><sub><b>Marcus Höjvall</b></sub></a><br /><a href="#content-softarn" title="Content">🖋</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/barlevalon"><img src="https://avatars.githubusercontent.com/u/3397911?v=4?s=100" width="100px;" alt="Alon Hearter"/><br /><sub><b>Alon Hearter</b></sub></a><br /><a href="#content-barlevalon" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/shirts"><img src="https://avatars.githubusercontent.com/u/4952151?v=4?s=100" width="100px;" alt="shirts"/><br /><sub><b>shirts</b></sub></a><br /><a href="#content-shirts" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/eLVas"><img src="https://avatars.githubusercontent.com/u/6797156?v=4?s=100" width="100px;" alt="Ivan Vasiunyk"/><br /><sub><b>Ivan Vasiunyk</b></sub></a><br /><a href="#content-eLVas" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://mo8it.com"><img src="https://avatars.githubusercontent.com/u/76752051?v=4?s=100" width="100px;" alt="Mo"/><br /><sub><b>Mo</b></sub></a><br /><a href="https://github.com/rust-lang/rustlings/commits?author=mo8it" title="Code">💻</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/x10an14"><img src="https://avatars.githubusercontent.com/u/710608?v=4?s=100" width="100px;" alt="x10an14"/><br /><sub><b>x10an14</b></sub></a><br /><a href="#infra-x10an14" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/gabay"><img src="https://avatars.githubusercontent.com/u/5773610?v=4?s=100" width="100px;" alt="Roi Gabay"/><br /><sub><b>Roi Gabay</b></sub></a><br /><a href="#content-gabay" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/mkovaxx"><img src="https://avatars.githubusercontent.com/u/481354?v=4?s=100" width="100px;" alt="Máté Kovács"/><br /><sub><b>Máté Kovács</b></sub></a><br /><a href="#content-mkovaxx" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://szabgab.com/"><img src="https://avatars.githubusercontent.com/u/48833?v=4?s=100" width="100px;" alt="Gábor Szabó"/><br /><sub><b>Gábor Szabó</b></sub></a><br /><a href="#content-szabgab" title="Content">🖋</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://moduslaborandi.net"><img src="https://avatars.githubusercontent.com/u/3340793?v=4?s=100" width="100px;" alt="Yamila Moreno"/><br /><sub><b>Yamila Moreno</b></sub></a><br /><a href="#content-yamila-moreno" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/willhack"><img src="https://avatars.githubusercontent.com/u/18036720?v=4?s=100" width="100px;" alt="Will Hack"/><br /><sub><b>Will Hack</b></sub></a><br /><a href="#content-willhack" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://cancompute.tech"><img src="https://avatars.githubusercontent.com/u/2052646?v=4?s=100" width="100px;" alt="Michael"/><br /><sub><b>Michael</b></sub></a><br /><a href="#content-bean5" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://www.sadiqpk.org"><img src="https://avatars.githubusercontent.com/u/1289514?v=4?s=100" width="100px;" alt="Mohammed Sadiq"/><br /><sub><b>Mohammed Sadiq</b></sub></a><br /><a href="#content-pksadiq" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/Jak-Ch-ll"><img src="https://avatars.githubusercontent.com/u/56225668?v=4?s=100" width="100px;" alt="Jakob"/><br /><sub><b>Jakob</b></sub></a><br /><a href="#content-Jak-Ch-ll" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="http://oscarbonilla.com"><img src="https://avatars.githubusercontent.com/u/4950?v=4?s=100" width="100px;" alt="Oscar Bonilla"/><br /><sub><b>Oscar Bonilla</b></sub></a><br /><a href="#content-ob" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/husjon"><img src="https://avatars.githubusercontent.com/u/554229?v=4?s=100" width="100px;" alt="Jon Erling Hustadnes"/><br /><sub><b>Jon Erling Hustadnes</b></sub></a><br /><a href="#content-husjon" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/CobaltCause"><img src="https://avatars.githubusercontent.com/u/7003738?v=4?s=100" width="100px;" alt="Charles Hall"/><br /><sub><b>Charles Hall</b></sub></a><br /><a href="#infra-CobaltCause" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/krmpotic"><img src="https://avatars.githubusercontent.com/u/10350645?v=4?s=100" width="100px;" alt="Luka Krmpotić"/><br /><sub><b>Luka Krmpotić</b></sub></a><br /><a href="#content-krmpotic" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/jurglic"><img src="https://avatars.githubusercontent.com/u/112600?v=4?s=100" width="100px;" alt="Jurglic"/><br /><sub><b>Jurglic</b></sub></a><br /><a href="#content-jurglic" title="Content">🖋</a></td>
|
||||
<td align="center" valign="top" width="12.5%"><a href="https://github.com/OfirLauber"><img src="https://avatars.githubusercontent.com/u/5631030?v=4?s=100" width="100px;" alt="Ofir Lauber"/><br /><sub><b>Ofir Lauber</b></sub></a><br /><a href="#content-OfirLauber" title="Content">🖋</a></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
|
|
|||
98
CHANGELOG.md
98
CHANGELOG.md
|
|
@ -1,101 +1,3 @@
|
|||
<a name="5.6.1"></a>
|
||||
## 5.6.1 (2023-09-18)
|
||||
|
||||
#### Changed
|
||||
|
||||
- Converted all exercises with assertions to test mode.
|
||||
|
||||
#### Fixed
|
||||
|
||||
- `cow1`: Reverted regression introduced by calling `to_mut` where it
|
||||
shouldn't have been called, and clarified comment.
|
||||
- `primitive_types3`: Require at least an array of 100 elements.
|
||||
- Removed hint comments when no hint exists for the exercise.
|
||||
- `as_ref_mut`: Fixed a typo in a test function name.
|
||||
- `enums3`: Fixed formatting with `rustfmt`.
|
||||
|
||||
<a name="5.6.0"></a>
|
||||
## 5.6.0 (2023-09-04)
|
||||
|
||||
#### Added
|
||||
|
||||
- New exercise: `if3`, teaching the user about `if let` statements.
|
||||
- `hashmaps2`: Added an extra test function to check if the amount of fruits is higher than zero.
|
||||
- `enums3`: Added a test for `Message`.
|
||||
- `if1`: Added a test case to check equal values.
|
||||
- `if3`: Added a note specifying that there are no test changes needed.
|
||||
|
||||
#### Changed
|
||||
|
||||
- Swapped the order of threads and smart pointer exercises.
|
||||
- Rewrote the CLI to use `clap` - it's matured much since we switched to `argh` :)
|
||||
- `structs3`: Switched from i32 to u32.
|
||||
- `move_semantics`: Switched 1-4 to tests, and rewrote them to be way simpler, while still teaching about the same
|
||||
concepts.
|
||||
|
||||
#### Fixed
|
||||
|
||||
- `iterators5`:
|
||||
- Removed an outdated part of the hint.
|
||||
- Renamed variables to use snake_case.
|
||||
- `vecs2`: Updated the hint to reference the renamed loop variable.
|
||||
- `enums3`: Changed message string in test so that it gets properly tested.
|
||||
- `strings2`: Corrected line number in hint, then removed it (this both happened as part of this release cycle).
|
||||
- `primitive_types4`: Updated hint to the correct ending index.
|
||||
- `quiz1`: Removed duplicated sentence from exercise comments.
|
||||
- `errors4`: Improved comment.
|
||||
- `from_into`: Fixed test values.
|
||||
- `cow1`: Added `.to_mut()` to distinguish from the previous test case.
|
||||
- `threads2`: Updated hint text to reference the correct book heading.
|
||||
|
||||
#### Housekeeping
|
||||
|
||||
- Cleaned up the explanation paragraphs at the start of each exercise.
|
||||
- Lots of Nix housekeeping that I don't feel qualified to write about!
|
||||
- Improved CI workflows, we're now testing on multiple platforms at once.
|
||||
|
||||
<a name="5.5.1"></a>
|
||||
## 5.5.1 (2023-05-17)
|
||||
|
||||
#### Fixed
|
||||
|
||||
- Reverted `rust-project.json` path generation due to an upstream `rust-analyzer` fix.
|
||||
|
||||
<a name="5.5.0"></a>
|
||||
## 5.5.0 (2023-05-17)
|
||||
|
||||
#### Added
|
||||
|
||||
- `strings2`: Added a reference to the book chapter for reference conversion
|
||||
- `lifetimes`: Added a link to the lifetimekata project
|
||||
- Added a new `tests4` exercises, which teaches about testing for panics
|
||||
- Added a `!` prefix command to watch mode that runs an external command
|
||||
- Added a `--success-hints` option to watch mode that shows hints on exercise success
|
||||
|
||||
#### Changed
|
||||
|
||||
- `vecs2`: Renamed iterator variable bindings for clarify
|
||||
- `lifetimes`: Changed order of book references
|
||||
- `hashmaps2`: Clarified instructions in the todo block
|
||||
- Moved lifetime exercises before test exercises (via the recommended book ordering)
|
||||
- `options2`: Improved tests for layering options
|
||||
- `modules2`: Added more information to the hint
|
||||
|
||||
#### Fixed
|
||||
|
||||
- `errors2`: Corrected a comment wording
|
||||
- `iterators2`: Fixed a spelling mistake in the hint text
|
||||
- `variables`: Wrapped the mut keyword with backticks for readability
|
||||
- `move_semantics2`: Removed references to line numbers
|
||||
- `cow1`: Clarified the `owned_no_mutation` comments
|
||||
- `options3`: Changed exercise to panic when no match is found
|
||||
- `rustlings lsp` now generates absolute paths, which should fix VSCode `rust-analyzer` usage on Windows
|
||||
|
||||
#### Housekeeping
|
||||
|
||||
- Added a markdown linter to run on GitHub actions
|
||||
- Split quick installation section into two code blocks
|
||||
|
||||
<a name="5.4.1"></a>
|
||||
## 5.4.1 (2023-03-10)
|
||||
|
||||
|
|
|
|||
|
|
@ -4,81 +4,59 @@ version = 3
|
|||
|
||||
[[package]]
|
||||
name = "aho-corasick"
|
||||
version = "0.7.20"
|
||||
version = "0.7.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
|
||||
checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstream"
|
||||
version = "0.5.0"
|
||||
name = "argh"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b1f58811cfac344940f1a400b6e6231ce35171f614f26439e80f8c1465c5cc0c"
|
||||
checksum = "2e7317a549bc17c5278d9e72bb6e62c6aa801ac2567048e39ebc1c194249323e"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"anstyle-parse",
|
||||
"anstyle-query",
|
||||
"anstyle-wincon",
|
||||
"colorchoice",
|
||||
"utf8parse",
|
||||
"argh_derive",
|
||||
"argh_shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle"
|
||||
version = "1.0.3"
|
||||
name = "argh_derive"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b84bf0a05bbb2a83e5eb6fa36bb6e87baa08193c35ff52bbf6b38d8af2890e46"
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-parse"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333"
|
||||
checksum = "60949c42375351e9442e354434b0cba2ac402c1237edf673cac3a4bf983b8d3c"
|
||||
dependencies = [
|
||||
"utf8parse",
|
||||
"argh_shared",
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-query"
|
||||
version = "1.0.0"
|
||||
name = "argh_shared"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
|
||||
dependencies = [
|
||||
"windows-sys 0.48.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-wincon"
|
||||
version = "2.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "58f54d10c6dfa51283a066ceab3ec1ab78d13fae00aa49243a45e4571fb79dfd"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"windows-sys 0.48.0",
|
||||
]
|
||||
checksum = "8a61eb019cb8f415d162cb9f12130ee6bbe9168b7d953c17f4ad049e4051ca00"
|
||||
|
||||
[[package]]
|
||||
name = "assert_cmd"
|
||||
version = "2.0.12"
|
||||
version = "0.11.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "88903cb14723e4d4003335bb7f8a14f27691649105346a0f0957466c096adfe6"
|
||||
checksum = "2dc477793bd82ec39799b6f6b3df64938532fdf2ab0d49ef817eac65856a5a1e"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"bstr",
|
||||
"doc-comment",
|
||||
"escargot",
|
||||
"predicates",
|
||||
"predicates-core",
|
||||
"predicates-tree",
|
||||
"wait-timeout",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "1.1.0"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
|
||||
checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
|
|
@ -86,17 +64,6 @@ version = "1.3.2"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
|
||||
|
||||
[[package]]
|
||||
name = "bstr"
|
||||
version = "1.6.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4c2f7349907b712260e64b0afe2f84692af14a454be26187d9df565c7f69266a"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
"regex-automata",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "0.1.10"
|
||||
|
|
@ -109,82 +76,26 @@ version = "1.0.0"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
|
||||
|
||||
[[package]]
|
||||
name = "clap"
|
||||
version = "4.4.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "84ed82781cea27b43c9b106a979fe450a13a31aab0500595fb3fc06616de08e6"
|
||||
dependencies = [
|
||||
"clap_builder",
|
||||
"clap_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_builder"
|
||||
version = "4.4.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2bb9faaa7c2ef94b2743a21f5a29e6f0010dff4caa69ac8e9d6cf8b6fa74da08"
|
||||
dependencies = [
|
||||
"anstream",
|
||||
"anstyle",
|
||||
"clap_lex",
|
||||
"strsim",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_derive"
|
||||
version = "4.4.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0862016ff20d69b84ef8247369fabf5c008a7417002411897d40ee1f4532b873"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_lex"
|
||||
version = "0.5.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cd7cc57abe963c6d3b9d8be5b06ba7c8957a930305ca90304f24ef040aa6f961"
|
||||
|
||||
[[package]]
|
||||
name = "colorchoice"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
|
||||
|
||||
[[package]]
|
||||
name = "console"
|
||||
version = "0.15.5"
|
||||
version = "0.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c3d79fbe8970a77e3e34151cc13d3b3e248aa0faaecb9f6091fa07ebefe5ad60"
|
||||
checksum = "a28b32d32ca44b70c3e4acd7db1babf555fa026e385fb95f18028f88848b3c31"
|
||||
dependencies = [
|
||||
"encode_unicode",
|
||||
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||||
[[package]]
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|
@ -324,15 +227,6 @@ dependencies = [
|
|||
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|
|
@ -600,9 +477,9 @@ dependencies = [
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|
||||
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|
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|
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
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|
||||
|
||||
[[package]]
|
||||
name = "ws2_32-sys"
|
||||
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|
||||
|
|
|
|||
13
Cargo.toml
13
Cargo.toml
|
|
@ -1,7 +1,6 @@
|
|||
[package]
|
||||
name = "rustlings"
|
||||
description = "Small exercises to get you used to reading and writing Rust code!"
|
||||
version = "5.6.1"
|
||||
version = "5.4.1"
|
||||
authors = [
|
||||
"Liv <mokou@fastmail.com>",
|
||||
"Carol (Nichols || Goulding) <carol.nichols@gmail.com>",
|
||||
|
|
@ -9,22 +8,22 @@ authors = [
|
|||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
indicatif = "0.17.6"
|
||||
argh = "0.1"
|
||||
indicatif = "0.16"
|
||||
console = "0.15"
|
||||
notify = "4.0"
|
||||
toml = "0.7.6"
|
||||
toml = "0.5"
|
||||
regex = "1.5"
|
||||
serde = { version = "1.0", features = ["derive"] }
|
||||
serde_json = "1.0.81"
|
||||
home = "0.5.3"
|
||||
glob = "0.3.0"
|
||||
clap = { version = "4.4.0", features = ["derive"] }
|
||||
|
||||
[[bin]]
|
||||
name = "rustlings"
|
||||
path = "src/main.rs"
|
||||
|
||||
[dev-dependencies]
|
||||
assert_cmd = "2.0.12"
|
||||
predicates = "3.0.3"
|
||||
assert_cmd = "0.11.0"
|
||||
predicates = "1.0.1"
|
||||
glob = "0.3.0"
|
||||
|
|
|
|||
28
README.md
28
README.md
|
|
@ -1,9 +1,5 @@
|
|||
<div class="oranda-hide">
|
||||
|
||||
# rustlings 🦀❤️
|
||||
|
||||
</div>
|
||||
|
||||
Greetings and welcome to `rustlings`. This project contains small exercises to get you used to reading and writing Rust code. This includes reading and responding to compiler messages!
|
||||
|
||||
_...looking for the old, web-based version of Rustlings? Try [here](https://github.com/rust-lang/rustlings/tree/rustlings-1)_
|
||||
|
|
@ -18,7 +14,7 @@ Alternatively, for a first-time Rust learner, there are several other resources:
|
|||
_Note: If you're on MacOS, make sure you've installed Xcode and its developer tools by typing `xcode-select --install`._
|
||||
_Note: If you're on Linux, make sure you've installed gcc. Deb: `sudo apt install gcc`. Yum: `sudo yum -y install gcc`._
|
||||
|
||||
You will need to have Rust installed. You can get it by visiting <https://rustup.rs>. This'll also install Cargo, Rust's package/project manager.
|
||||
You will need to have Rust installed. You can get it by visiting https://rustup.rs. This'll also install Cargo, Rust's package/project manager.
|
||||
|
||||
## MacOS/Linux
|
||||
|
||||
|
|
@ -26,11 +22,7 @@ Just run:
|
|||
|
||||
```bash
|
||||
curl -L https://raw.githubusercontent.com/rust-lang/rustlings/main/install.sh | bash
|
||||
```
|
||||
|
||||
Or if you want it to be installed to a different path:
|
||||
|
||||
```bash
|
||||
# Or if you want it to be installed to a different path:
|
||||
curl -L https://raw.githubusercontent.com/rust-lang/rustlings/main/install.sh | bash -s mypath/
|
||||
```
|
||||
|
||||
|
|
@ -41,8 +33,8 @@ This will install Rustlings and give you access to the `rustlings` command. Run
|
|||
Basically: Clone the repository at the latest tag, finally run `nix develop` or `nix-shell`.
|
||||
|
||||
```bash
|
||||
# find out the latest version at https://github.com/rust-lang/rustlings/releases/latest (on edit 5.6.1)
|
||||
git clone -b 5.6.1 --depth 1 https://github.com/rust-lang/rustlings
|
||||
# find out the latest version at https://github.com/rust-lang/rustlings/releases/latest (on edit 5.4.1)
|
||||
git clone -b 5.4.1 --depth 1 https://github.com/rust-lang/rustlings
|
||||
cd rustlings
|
||||
# if nix version > 2.3
|
||||
nix develop
|
||||
|
|
@ -79,8 +71,8 @@ If you get a permission denied message, you might have to exclude the directory
|
|||
Basically: Clone the repository at the latest tag, run `cargo install --path .`.
|
||||
|
||||
```bash
|
||||
# find out the latest version at https://github.com/rust-lang/rustlings/releases/latest (on edit 5.6.1)
|
||||
git clone -b 5.6.1 --depth 1 https://github.com/rust-lang/rustlings
|
||||
# find out the latest version at https://github.com/rust-lang/rustlings/releases/latest (on edit 5.4.1)
|
||||
git clone -b 5.4.1 --depth 1 https://github.com/rust-lang/rustlings
|
||||
cd rustlings
|
||||
cargo install --force --path .
|
||||
```
|
||||
|
|
@ -173,8 +165,12 @@ Now you should be done!
|
|||
|
||||
## Contributing
|
||||
|
||||
See [CONTRIBUTING.md](https://github.com/rust-lang/rustlings/blob/main/CONTRIBUTING.md).
|
||||
See [CONTRIBUTING.md](./CONTRIBUTING.md).
|
||||
|
||||
Development-focused discussion about Rustlings happens in the [**rustlings** stream](https://rust-lang.zulipchat.com/#narrow/stream/334454-rustlings)
|
||||
on the [Rust Project Zulip](https://rust-lang.zulipchat.com). Feel free to start a new thread there
|
||||
if you have ideas or suggestions!
|
||||
|
||||
## Contributors ✨
|
||||
|
||||
Thanks goes to the wonderful people listed in [AUTHORS.md](https://github.com/rust-lang/rustlings/blob/main/AUTHORS.md) 🎉
|
||||
Thanks goes to the wonderful people listed in [AUTHORS.md](./AUTHORS.md) 🎉
|
||||
|
|
|
|||
|
|
@ -1,13 +1,10 @@
|
|||
// clippy1.rs
|
||||
// The Clippy tool is a collection of lints to analyze your code
|
||||
// so you can catch common mistakes and improve your Rust code.
|
||||
//
|
||||
// The Clippy tool is a collection of lints to analyze your code so you can
|
||||
// catch common mistakes and improve your Rust code.
|
||||
//
|
||||
// For these exercises the code will fail to compile when there are clippy
|
||||
// warnings check clippy's suggestions from the output to solve the exercise.
|
||||
//
|
||||
// Execute `rustlings hint clippy1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// For these exercises the code will fail to compile when there are clippy warnings
|
||||
// check clippy's suggestions from the output to solve the exercise.
|
||||
// Execute `rustlings hint clippy1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// clippy2.rs
|
||||
//
|
||||
// Execute `rustlings hint clippy2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint clippy2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// clippy3.rs
|
||||
//
|
||||
// Here's a couple more easy Clippy fixes, so you can see its utility.
|
||||
// No hints.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -6,7 +6,6 @@ The simplest form of type conversion is a type cast expression. It is denoted wi
|
|||
|
||||
Rust also offers traits that facilitate type conversions upon implementation. These traits can be found under the [`convert`](https://doc.rust-lang.org/std/convert/index.html) module.
|
||||
The traits are the following:
|
||||
|
||||
- `From` and `Into` covered in [`from_into`](from_into.rs)
|
||||
- `TryFrom` and `TryInto` covered in [`try_from_into`](try_from_into.rs)
|
||||
- `AsRef` and `AsMut` covered in [`as_ref_mut`](as_ref_mut.rs)
|
||||
|
|
@ -18,6 +17,5 @@ These should be the main ways ***within the standard library*** to convert data
|
|||
## Further information
|
||||
|
||||
These are not directly covered in the book, but the standard library has a great documentation for it.
|
||||
|
||||
- [conversions](https://doc.rust-lang.org/std/convert/index.html)
|
||||
- [`FromStr` trait](https://doc.rust-lang.org/std/str/trait.FromStr.html)
|
||||
|
|
@ -1,11 +1,7 @@
|
|||
// as_ref_mut.rs
|
||||
//
|
||||
// AsRef and AsMut allow for cheap reference-to-reference conversions. Read more
|
||||
// about them at https://doc.rust-lang.org/std/convert/trait.AsRef.html and
|
||||
// https://doc.rust-lang.org/std/convert/trait.AsMut.html, respectively.
|
||||
//
|
||||
// Execute `rustlings hint as_ref_mut` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// AsRef and AsMut allow for cheap reference-to-reference conversions.
|
||||
// Read more about them at https://doc.rust-lang.org/std/convert/trait.AsRef.html
|
||||
// and https://doc.rust-lang.org/std/convert/trait.AsMut.html, respectively.
|
||||
// Execute `rustlings hint as_ref_mut` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -57,7 +53,7 @@ mod tests {
|
|||
}
|
||||
|
||||
#[test]
|
||||
fn mut_box() {
|
||||
fn mult_box() {
|
||||
let mut num: Box<u32> = Box::new(3);
|
||||
num_sq(&mut num);
|
||||
assert_eq!(*num, 9);
|
||||
|
|
|
|||
|
|
@ -1,11 +1,7 @@
|
|||
// from_into.rs
|
||||
//
|
||||
// The From trait is used for value-to-value conversions. If From is implemented
|
||||
// correctly for a type, the Into trait should work conversely. You can read
|
||||
// more about it at https://doc.rust-lang.org/std/convert/trait.From.html
|
||||
//
|
||||
// Execute `rustlings hint from_into` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// The From trait is used for value-to-value conversions.
|
||||
// If From is implemented correctly for a type, the Into trait should work conversely.
|
||||
// You can read more about it at https://doc.rust-lang.org/std/convert/trait.From.html
|
||||
// Execute `rustlings hint from_into` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
#[derive(Debug)]
|
||||
struct Person {
|
||||
|
|
@ -24,21 +20,20 @@ impl Default for Person {
|
|||
}
|
||||
}
|
||||
|
||||
// Your task is to complete this implementation in order for the line `let p =
|
||||
// Person::from("Mark,20")` to compile Please note that you'll need to parse the
|
||||
// age component into a `usize` with something like `"4".parse::<usize>()`. The
|
||||
// outcome of this needs to be handled appropriately.
|
||||
// Your task is to complete this implementation
|
||||
// in order for the line `let p = Person::from("Mark,20")` to compile
|
||||
// Please note that you'll need to parse the age component into a `usize`
|
||||
// with something like `"4".parse::<usize>()`. The outcome of this needs to
|
||||
// be handled appropriately.
|
||||
//
|
||||
// Steps:
|
||||
// 1. If the length of the provided string is 0, then return the default of
|
||||
// Person.
|
||||
// 2. Split the given string on the commas present in it.
|
||||
// 3. Extract the first element from the split operation and use it as the name.
|
||||
// 4. If the name is empty, then return the default of Person.
|
||||
// 5. Extract the other element from the split operation and parse it into a
|
||||
// `usize` as the age.
|
||||
// If while parsing the age, something goes wrong, then return the default of
|
||||
// Person Otherwise, then return an instantiated Person object with the results
|
||||
// 1. If the length of the provided string is 0, then return the default of Person
|
||||
// 2. Split the given string on the commas present in it
|
||||
// 3. Extract the first element from the split operation and use it as the name
|
||||
// 4. If the name is empty, then return the default of Person
|
||||
// 5. Extract the other element from the split operation and parse it into a `usize` as the age
|
||||
// If while parsing the age, something goes wrong, then return the default of Person
|
||||
// Otherwise, then return an instantiated Person object with the results
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -82,8 +77,7 @@ mod tests {
|
|||
}
|
||||
#[test]
|
||||
fn test_bad_age() {
|
||||
// Test that "Mark,twenty" will return the default person due to an
|
||||
// error in parsing age
|
||||
// Test that "Mark,twenty" will return the default person due to an error in parsing age
|
||||
let p = Person::from("Mark,twenty");
|
||||
assert_eq!(p.name, "John");
|
||||
assert_eq!(p.age, 30);
|
||||
|
|
@ -127,14 +121,14 @@ mod tests {
|
|||
#[test]
|
||||
fn test_trailing_comma() {
|
||||
let p: Person = Person::from("Mike,32,");
|
||||
assert_eq!(p.name, "Mike");
|
||||
assert_eq!(p.age, 32);
|
||||
assert_eq!(p.name, "John");
|
||||
assert_eq!(p.age, 30);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_trailing_comma_and_some_string() {
|
||||
let p: Person = Person::from("Mike,32,man");
|
||||
assert_eq!(p.name, "Mike");
|
||||
assert_eq!(p.age, 32);
|
||||
assert_eq!(p.name, "John");
|
||||
assert_eq!(p.age, 30);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,13 +1,10 @@
|
|||
// from_str.rs
|
||||
//
|
||||
// This is similar to from_into.rs, but this time we'll implement `FromStr` and
|
||||
// return errors instead of falling back to a default value. Additionally, upon
|
||||
// implementing FromStr, you can use the `parse` method on strings to generate
|
||||
// an object of the implementor type. You can read more about it at
|
||||
// https://doc.rust-lang.org/std/str/trait.FromStr.html
|
||||
//
|
||||
// Execute `rustlings hint from_str` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// This is similar to from_into.rs, but this time we'll implement `FromStr`
|
||||
// and return errors instead of falling back to a default value.
|
||||
// Additionally, upon implementing FromStr, you can use the `parse` method
|
||||
// on strings to generate an object of the implementor type.
|
||||
// You can read more about it at https://doc.rust-lang.org/std/str/trait.FromStr.html
|
||||
// Execute `rustlings hint from_str` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
use std::num::ParseIntError;
|
||||
use std::str::FromStr;
|
||||
|
|
@ -36,18 +33,15 @@ enum ParsePersonError {
|
|||
// Steps:
|
||||
// 1. If the length of the provided string is 0, an error should be returned
|
||||
// 2. Split the given string on the commas present in it
|
||||
// 3. Only 2 elements should be returned from the split, otherwise return an
|
||||
// error
|
||||
// 3. Only 2 elements should be returned from the split, otherwise return an error
|
||||
// 4. Extract the first element from the split operation and use it as the name
|
||||
// 5. Extract the other element from the split operation and parse it into a
|
||||
// `usize` as the age with something like `"4".parse::<usize>()`
|
||||
// 6. If while extracting the name and the age something goes wrong, an error
|
||||
// should be returned
|
||||
// 5. Extract the other element from the split operation and parse it into a `usize` as the age
|
||||
// with something like `"4".parse::<usize>()`
|
||||
// 6. If while extracting the name and the age something goes wrong, an error should be returned
|
||||
// If everything goes well, then return a Result of a Person object
|
||||
//
|
||||
// As an aside: `Box<dyn Error>` implements `From<&'_ str>`. This means that if
|
||||
// you want to return a string error message, you can do so via just using
|
||||
// return `Err("my error message".into())`.
|
||||
// As an aside: `Box<dyn Error>` implements `From<&'_ str>`. This means that if you want to return a
|
||||
// string error message, you can do so via just using return `Err("my error message".into())`.
|
||||
|
||||
impl FromStr for Person {
|
||||
type Err = ParsePersonError;
|
||||
|
|
|
|||
|
|
@ -1,13 +1,9 @@
|
|||
// try_from_into.rs
|
||||
//
|
||||
// TryFrom is a simple and safe type conversion that may fail in a controlled
|
||||
// way under some circumstances. Basically, this is the same as From. The main
|
||||
// difference is that this should return a Result type instead of the target
|
||||
// type itself. You can read more about it at
|
||||
// https://doc.rust-lang.org/std/convert/trait.TryFrom.html
|
||||
//
|
||||
// Execute `rustlings hint try_from_into` or use the `hint` watch subcommand for
|
||||
// a hint.
|
||||
// TryFrom is a simple and safe type conversion that may fail in a controlled way under some circumstances.
|
||||
// Basically, this is the same as From. The main difference is that this should return a Result type
|
||||
// instead of the target type itself.
|
||||
// You can read more about it at https://doc.rust-lang.org/std/convert/trait.TryFrom.html
|
||||
// Execute `rustlings hint try_from_into` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
use std::convert::{TryFrom, TryInto};
|
||||
|
||||
|
|
@ -29,13 +25,14 @@ enum IntoColorError {
|
|||
|
||||
// I AM NOT DONE
|
||||
|
||||
// Your task is to complete this implementation and return an Ok result of inner
|
||||
// type Color. You need to create an implementation for a tuple of three
|
||||
// integers, an array of three integers, and a slice of integers.
|
||||
// Your task is to complete this implementation
|
||||
// and return an Ok result of inner type Color.
|
||||
// You need to create an implementation for a tuple of three integers,
|
||||
// an array of three integers, and a slice of integers.
|
||||
//
|
||||
// Note that the implementation for tuple and array will be checked at compile
|
||||
// time, but the slice implementation needs to check the slice length! Also note
|
||||
// that correct RGB color values must be integers in the 0..=255 range.
|
||||
// Note that the implementation for tuple and array will be checked at compile time,
|
||||
// but the slice implementation needs to check the slice length!
|
||||
// Also note that correct RGB color values must be integers in the 0..=255 range.
|
||||
|
||||
// Tuple implementation
|
||||
impl TryFrom<(i16, i16, i16)> for Color {
|
||||
|
|
|
|||
|
|
@ -1,14 +1,10 @@
|
|||
// using_as.rs
|
||||
// Type casting in Rust is done via the usage of the `as` operator.
|
||||
// Please note that the `as` operator is not only used when type casting.
|
||||
// It also helps with renaming imports.
|
||||
//
|
||||
// Type casting in Rust is done via the usage of the `as` operator. Please note
|
||||
// that the `as` operator is not only used when type casting. It also helps with
|
||||
// renaming imports.
|
||||
//
|
||||
// The goal is to make sure that the division does not fail to compile and
|
||||
// returns the proper type.
|
||||
//
|
||||
// Execute `rustlings hint using_as` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// The goal is to make sure that the division does not fail to compile
|
||||
// and returns the proper type.
|
||||
// Execute `rustlings hint using_as` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
// enums1.rs
|
||||
//
|
||||
// No hints this time! ;)
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// enums2.rs
|
||||
//
|
||||
// Execute `rustlings hint enums2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint enums2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// enums3.rs
|
||||
//
|
||||
// Address all the TODOs to make the tests pass!
|
||||
//
|
||||
// Execute `rustlings hint enums3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint enums3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -20,7 +17,6 @@ struct State {
|
|||
color: (u8, u8, u8),
|
||||
position: Point,
|
||||
quit: bool,
|
||||
message: String,
|
||||
}
|
||||
|
||||
impl State {
|
||||
|
|
@ -32,8 +28,8 @@ impl State {
|
|||
self.quit = true;
|
||||
}
|
||||
|
||||
fn echo(&mut self, s: String) {
|
||||
self.message = s
|
||||
fn echo(&self, s: String) {
|
||||
println!("{}", s);
|
||||
}
|
||||
|
||||
fn move_position(&mut self, p: Point) {
|
||||
|
|
@ -42,8 +38,7 @@ impl State {
|
|||
|
||||
fn process(&mut self, message: Message) {
|
||||
// TODO: create a match expression to process the different message variants
|
||||
// Remember: When passing a tuple as a function argument, you'll need extra parentheses:
|
||||
// fn function((t, u, p, l, e))
|
||||
// Remember: When passing a tuple as a function argument, you'll need extra parentheses: fn function((t, u, p, l, e))
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -57,10 +52,9 @@ mod tests {
|
|||
quit: false,
|
||||
position: Point { x: 0, y: 0 },
|
||||
color: (0, 0, 0),
|
||||
message: "hello world".to_string(),
|
||||
};
|
||||
state.process(Message::ChangeColor(255, 0, 255));
|
||||
state.process(Message::Echo(String::from("Hello world!")));
|
||||
state.process(Message::Echo(String::from("hello world")));
|
||||
state.process(Message::Move(Point { x: 10, y: 15 }));
|
||||
state.process(Message::Quit);
|
||||
|
||||
|
|
@ -68,6 +62,5 @@ mod tests {
|
|||
assert_eq!(state.position.x, 10);
|
||||
assert_eq!(state.position.y, 15);
|
||||
assert_eq!(state.quit, true);
|
||||
assert_eq!(state.message, "Hello world!");
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
# Error handling
|
||||
|
||||
Most errors aren’t serious enough to require the program to stop entirely.
|
||||
Sometimes, when a function fails, it’s for a reason that you can easily interpret and respond to.
|
||||
For example, if you try to open a file and that operation fails because the file doesn’t exist, you might want to create the file instead of terminating the process.
|
||||
|
|
|
|||
|
|
@ -1,13 +1,9 @@
|
|||
// errors1.rs
|
||||
//
|
||||
// This function refuses to generate text to be printed on a nametag if you pass
|
||||
// it an empty string. It'd be nicer if it explained what the problem was,
|
||||
// instead of just sometimes returning `None`. Thankfully, Rust has a similar
|
||||
// construct to `Option` that can be used to express error conditions. Let's use
|
||||
// it!
|
||||
//
|
||||
// Execute `rustlings hint errors1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// This function refuses to generate text to be printed on a nametag if
|
||||
// you pass it an empty string. It'd be nicer if it explained what the problem
|
||||
// was, instead of just sometimes returning `None`. Thankfully, Rust has a similar
|
||||
// construct to `Option` that can be used to express error conditions. Let's use it!
|
||||
// Execute `rustlings hint errors1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,23 +1,21 @@
|
|||
// errors2.rs
|
||||
//
|
||||
// Say we're writing a game where you can buy items with tokens. All items cost
|
||||
// 5 tokens, and whenever you purchase items there is a processing fee of 1
|
||||
// token. A player of the game will type in how many items they want to buy, and
|
||||
// the `total_cost` function will calculate the total cost of the tokens. Since
|
||||
// the player typed in the quantity, though, we get it as a string-- and they
|
||||
// might have typed anything, not just numbers!
|
||||
//
|
||||
// token. A player of the game will type in how many items they want to buy,
|
||||
// and the `total_cost` function will calculate the total number of tokens.
|
||||
// Since the player typed in the quantity, though, we get it as a string-- and
|
||||
// they might have typed anything, not just numbers!
|
||||
|
||||
// Right now, this function isn't handling the error case at all (and isn't
|
||||
// handling the success case properly either). What we want to do is: if we call
|
||||
// the `total_cost` function on a string that is not a number, that function
|
||||
// will return a `ParseIntError`, and in that case, we want to immediately
|
||||
// return that error from our function and not try to multiply and add.
|
||||
//
|
||||
// There are at least two ways to implement this that are both correct-- but one
|
||||
// is a lot shorter!
|
||||
//
|
||||
// Execute `rustlings hint errors2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// handling the success case properly either). What we want to do is:
|
||||
// if we call the `parse` function on a string that is not a number, that
|
||||
// function will return a `ParseIntError`, and in that case, we want to
|
||||
// immediately return that error from our function and not try to multiply
|
||||
// and add.
|
||||
|
||||
// There are at least two ways to implement this that are both correct-- but
|
||||
// one is a lot shorter!
|
||||
// Execute `rustlings hint errors2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,8 @@
|
|||
// errors3.rs
|
||||
//
|
||||
// This is a program that is trying to use a completed version of the
|
||||
// `total_cost` function from the previous exercise. It's not working though!
|
||||
// Why not? What should we do to fix it?
|
||||
//
|
||||
// Execute `rustlings hint errors3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint errors3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// errors4.rs
|
||||
//
|
||||
// Execute `rustlings hint errors4` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint errors4` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -16,7 +14,7 @@ enum CreationError {
|
|||
|
||||
impl PositiveNonzeroInteger {
|
||||
fn new(value: i64) -> Result<PositiveNonzeroInteger, CreationError> {
|
||||
// Hmm... Why is this always returning an Ok value?
|
||||
// Hmm...? Why is this only returning an Ok value?
|
||||
Ok(PositiveNonzeroInteger(value as u64))
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,26 +1,20 @@
|
|||
// errors5.rs
|
||||
//
|
||||
|
||||
// This program uses an altered version of the code from errors4.
|
||||
//
|
||||
// This exercise uses some concepts that we won't get to until later in the
|
||||
// course, like `Box` and the `From` trait. It's not important to understand
|
||||
// them in detail right now, but you can read ahead if you like. For now, think
|
||||
// of the `Box<dyn ???>` type as an "I want anything that does ???" type, which,
|
||||
// given Rust's usual standards for runtime safety, should strike you as
|
||||
// somewhat lenient!
|
||||
//
|
||||
// In short, this particular use case for boxes is for when you want to own a
|
||||
// value and you care only that it is a type which implements a particular
|
||||
// trait. To do so, The Box is declared as of type Box<dyn Trait> where Trait is
|
||||
// the trait the compiler looks for on any value used in that context. For this
|
||||
// exercise, that context is the potential errors which can be returned in a
|
||||
// Result.
|
||||
//
|
||||
// What can we use to describe both errors? In other words, is there a trait
|
||||
// which both errors implement?
|
||||
//
|
||||
// Execute `rustlings hint errors5` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
|
||||
// This exercise uses some concepts that we won't get to until later in the course, like `Box` and the
|
||||
// `From` trait. It's not important to understand them in detail right now, but you can read ahead if you like.
|
||||
// For now, think of the `Box<dyn ???>` type as an "I want anything that does ???" type, which, given
|
||||
// Rust's usual standards for runtime safety, should strike you as somewhat lenient!
|
||||
|
||||
// In short, this particular use case for boxes is for when you want to own a value and you care only that it is a
|
||||
// type which implements a particular trait. To do so, The Box is declared as of type Box<dyn Trait> where Trait is the trait
|
||||
// the compiler looks for on any value used in that context. For this exercise, that context is the potential errors
|
||||
// which can be returned in a Result.
|
||||
|
||||
// What can we use to describe both errors? In other words, is there a trait which both errors implement?
|
||||
|
||||
// Execute `rustlings hint errors5` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,13 +1,12 @@
|
|||
// errors6.rs
|
||||
//
|
||||
|
||||
// Using catch-all error types like `Box<dyn error::Error>` isn't recommended
|
||||
// for library code, where callers might want to make decisions based on the
|
||||
// error content, instead of printing it out or propagating it further. Here, we
|
||||
// define a custom error type to make it possible for callers to decide what to
|
||||
// do next when our function returns an error.
|
||||
//
|
||||
// Execute `rustlings hint errors6` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// error content, instead of printing it out or propagating it further. Here,
|
||||
// we define a custom error type to make it possible for callers to decide
|
||||
// what to do next when our function returns an error.
|
||||
|
||||
// Execute `rustlings hint errors6` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// functions1.rs
|
||||
//
|
||||
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint functions1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// functions2.rs
|
||||
//
|
||||
// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint functions2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// functions3.rs
|
||||
//
|
||||
// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint functions3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,12 +1,11 @@
|
|||
// functions4.rs
|
||||
//
|
||||
// This store is having a sale where if the price is an even number, you get 10
|
||||
// Rustbucks off, but if it's an odd number, it's 3 Rustbucks off. (Don't worry
|
||||
// about the function bodies themselves, we're only interested in the signatures
|
||||
// for now. If anything, this is a good way to peek ahead to future exercises!)
|
||||
//
|
||||
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// This store is having a sale where if the price is an even number, you get
|
||||
// 10 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off.
|
||||
// (Don't worry about the function bodies themselves, we're only interested
|
||||
// in the signatures for now. If anything, this is a good way to peek ahead
|
||||
// to future exercises!)
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// functions5.rs
|
||||
//
|
||||
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint functions5` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,7 @@
|
|||
// generics1.rs
|
||||
//
|
||||
// This shopping list program isn't compiling! Use your knowledge of generics to
|
||||
// fix it.
|
||||
//
|
||||
// Execute `rustlings hint generics1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// This shopping list program isn't compiling!
|
||||
// Use your knowledge of generics to fix it.
|
||||
|
||||
// Execute `rustlings hint generics1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,7 @@
|
|||
// generics2.rs
|
||||
//
|
||||
// This powerful wrapper provides the ability to store a positive integer value.
|
||||
// Rewrite it using generics so that it supports wrapping ANY type.
|
||||
//
|
||||
// Execute `rustlings hint generics2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
|
||||
// Execute `rustlings hint generics2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
# Hashmaps
|
||||
|
||||
A *hash map* allows you to associate a value with a particular key.
|
||||
You may also know this by the names [*unordered map* in C++](https://en.cppreference.com/w/cpp/container/unordered_map),
|
||||
[*dictionary* in Python](https://docs.python.org/3/tutorial/datastructures.html#dictionaries) or an *associative array* in other languages.
|
||||
|
|
|
|||
|
|
@ -1,15 +1,14 @@
|
|||
// hashmaps1.rs
|
||||
//
|
||||
// A basket of fruits in the form of a hash map needs to be defined. The key
|
||||
// represents the name of the fruit and the value represents how many of that
|
||||
// particular fruit is in the basket. You have to put at least three different
|
||||
// types of fruits (e.g apple, banana, mango) in the basket and the total count
|
||||
// of all the fruits should be at least five.
|
||||
// A basket of fruits in the form of a hash map needs to be defined.
|
||||
// The key represents the name of the fruit and the value represents
|
||||
// how many of that particular fruit is in the basket. You have to put
|
||||
// at least three different types of fruits (e.g apple, banana, mango)
|
||||
// in the basket and the total count of all the fruits should be at
|
||||
// least five.
|
||||
//
|
||||
// Make me compile and pass the tests!
|
||||
//
|
||||
// Execute `rustlings hint hashmaps1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint hashmaps1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,18 +1,15 @@
|
|||
// hashmaps2.rs
|
||||
//
|
||||
// We're collecting different fruits to bake a delicious fruit cake. For this,
|
||||
// we have a basket, which we'll represent in the form of a hash map. The key
|
||||
// represents the name of each fruit we collect and the value represents how
|
||||
// many of that particular fruit we have collected. Three types of fruits -
|
||||
// Apple (4), Mango (2) and Lychee (5) are already in the basket hash map. You
|
||||
// must add fruit to the basket so that there is at least one of each kind and
|
||||
// more than 11 in total - we have a lot of mouths to feed. You are not allowed
|
||||
// to insert any more of these fruits!
|
||||
|
||||
// A basket of fruits in the form of a hash map is given. The key
|
||||
// represents the name of the fruit and the value represents how many
|
||||
// of that particular fruit is in the basket. You have to put *MORE
|
||||
// THAN 11* fruits in the basket. Three types of fruits - Apple (4),
|
||||
// Mango (2) and Lychee (5) are already given in the basket. You are
|
||||
// not allowed to insert any more of these fruits!
|
||||
//
|
||||
// Make me pass the tests!
|
||||
//
|
||||
// Execute `rustlings hint hashmaps2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint hashmaps2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -37,9 +34,9 @@ fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
|
|||
];
|
||||
|
||||
for fruit in fruit_kinds {
|
||||
// TODO: Insert new fruits if they are not already present in the
|
||||
// basket. Note that you are not allowed to put any type of fruit that's
|
||||
// already present!
|
||||
// TODO: Put new fruits if not already present. Note that you
|
||||
// are not allowed to put any type of fruit that's already
|
||||
// present!
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -47,7 +44,6 @@ fn fruit_basket(basket: &mut HashMap<Fruit, u32>) {
|
|||
mod tests {
|
||||
use super::*;
|
||||
|
||||
// Don't modify this function!
|
||||
fn get_fruit_basket() -> HashMap<Fruit, u32> {
|
||||
let mut basket = HashMap::<Fruit, u32>::new();
|
||||
basket.insert(Fruit::Apple, 4);
|
||||
|
|
@ -81,13 +77,4 @@ mod tests {
|
|||
let count = basket.values().sum::<u32>();
|
||||
assert!(count > 11);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn all_fruit_types_in_basket() {
|
||||
let mut basket = get_fruit_basket();
|
||||
fruit_basket(&mut basket);
|
||||
for amount in basket.values() {
|
||||
assert_ne!(amount, &0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,25 +1,26 @@
|
|||
// hashmaps3.rs
|
||||
//
|
||||
// A list of scores (one per line) of a soccer match is given. Each line is of
|
||||
// the form : "<team_1_name>,<team_2_name>,<team_1_goals>,<team_2_goals>"
|
||||
|
||||
// A list of scores (one per line) of a soccer match is given. Each line
|
||||
// is of the form :
|
||||
// <team_1_name>,<team_2_name>,<team_1_goals>,<team_2_goals>
|
||||
// Example: England,France,4,2 (England scored 4 goals, France 2).
|
||||
//
|
||||
// You have to build a scores table containing the name of the team, goals the
|
||||
// team scored, and goals the team conceded. One approach to build the scores
|
||||
// table is to use a Hashmap. The solution is partially written to use a
|
||||
// Hashmap, complete it to pass the test.
|
||||
//
|
||||
|
||||
// You have to build a scores table containing the name of the team, goals
|
||||
// the team scored, and goals the team conceded. One approach to build
|
||||
// the scores table is to use a Hashmap. The solution is partially
|
||||
// written to use a Hashmap, complete it to pass the test.
|
||||
|
||||
// Make me pass the tests!
|
||||
//
|
||||
// Execute `rustlings hint hashmaps3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
|
||||
// Execute `rustlings hint hashmaps3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
use std::collections::HashMap;
|
||||
|
||||
// A structure to store the goal details of a team.
|
||||
// A structure to store team name and its goal details.
|
||||
struct Team {
|
||||
name: String,
|
||||
goals_scored: u8,
|
||||
goals_conceded: u8,
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
// if1.rs
|
||||
//
|
||||
// Execute `rustlings hint if1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
@ -25,9 +24,4 @@ mod tests {
|
|||
fn fortytwo_is_bigger_than_thirtytwo() {
|
||||
assert_eq!(42, bigger(32, 42));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn equal_numbers() {
|
||||
assert_eq!(42, bigger(42, 42));
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,8 +1,7 @@
|
|||
// if2.rs
|
||||
//
|
||||
|
||||
// Step 1: Make me compile!
|
||||
// Step 2: Get the bar_for_fuzz and default_to_baz tests passing!
|
||||
//
|
||||
// Execute `rustlings hint if2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
|
|||
|
|
@ -1,56 +0,0 @@
|
|||
// if3.rs
|
||||
//
|
||||
// Execute `rustlings hint if3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
pub fn animal_habitat(animal: &str) -> &'static str {
|
||||
let identifier = if animal == "crab" {
|
||||
1
|
||||
} else if animal == "gopher" {
|
||||
2.0
|
||||
} else if animal == "snake" {
|
||||
3
|
||||
} else {
|
||||
"Unknown"
|
||||
};
|
||||
|
||||
// DO NOT CHANGE THIS STATEMENT BELOW
|
||||
let habitat = if identifier == 1 {
|
||||
"Beach"
|
||||
} else if identifier == 2 {
|
||||
"Burrow"
|
||||
} else if identifier == 3 {
|
||||
"Desert"
|
||||
} else {
|
||||
"Unknown"
|
||||
};
|
||||
|
||||
habitat
|
||||
}
|
||||
|
||||
// No test changes needed.
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn gopher_lives_in_burrow() {
|
||||
assert_eq!(animal_habitat("gopher"), "Burrow")
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn snake_lives_in_desert() {
|
||||
assert_eq!(animal_habitat("snake"), "Desert")
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn crab_lives_on_beach() {
|
||||
assert_eq!(animal_habitat("crab"), "Beach")
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn unknown_animal() {
|
||||
assert_eq!(animal_habitat("dinosaur"), "Unknown")
|
||||
}
|
||||
}
|
||||
|
|
@ -1,17 +1,13 @@
|
|||
// intro1.rs
|
||||
//
|
||||
// About this `I AM NOT DONE` thing:
|
||||
// We sometimes encourage you to keep trying things on a given exercise, even
|
||||
// after you already figured it out. If you got everything working and feel
|
||||
// ready for the next exercise, remove the `I AM NOT DONE` comment below.
|
||||
// Execute `rustlings hint intro1` or use the `hint` watch subcommand for a hint.
|
||||
//
|
||||
// If you're running this using `rustlings watch`: The exercise file will be
|
||||
// reloaded when you change one of the lines below! Try adding a `println!`
|
||||
// line, or try changing what it outputs in your terminal. Try removing a
|
||||
// semicolon and see what happens!
|
||||
//
|
||||
// Execute `rustlings hint intro1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// If you're running this using `rustlings watch`: The exercise file will be reloaded
|
||||
// when you change one of the lines below! Try adding a `println!` line, or try changing
|
||||
// what it outputs in your terminal. Try removing a semicolon and see what happens!
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// intro2.rs
|
||||
//
|
||||
// Make the code print a greeting to the world.
|
||||
//
|
||||
// Execute `rustlings hint intro2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint intro2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,17 +1,15 @@
|
|||
// iterators1.rs
|
||||
//
|
||||
// When performing operations on elements within a collection, iterators are
|
||||
// essential. This module helps you get familiar with the structure of using an
|
||||
// iterator and how to go through elements within an iterable collection.
|
||||
//
|
||||
// Make me compile by filling in the `???`s
|
||||
//
|
||||
// Execute `rustlings hint iterators1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// When performing operations on elements within a collection, iterators are essential.
|
||||
// This module helps you get familiar with the structure of using an iterator and
|
||||
// how to go through elements within an iterable collection.
|
||||
//
|
||||
// Execute `rustlings hint iterators1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let my_fav_fruits = vec!["banana", "custard apple", "avocado", "peach", "raspberry"];
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,7 @@
|
|||
// iterators2.rs
|
||||
//
|
||||
// In this exercise, you'll learn some of the unique advantages that iterators
|
||||
// can offer. Follow the steps to complete the exercise.
|
||||
//
|
||||
// Execute `rustlings hint iterators2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint iterators2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,13 +1,10 @@
|
|||
// iterators3.rs
|
||||
//
|
||||
// This is a bigger exercise than most of the others! You can do it! Here is
|
||||
// your mission, should you choose to accept it:
|
||||
// This is a bigger exercise than most of the others! You can do it!
|
||||
// Here is your mission, should you choose to accept it:
|
||||
// 1. Complete the divide function to get the first four tests to pass.
|
||||
// 2. Get the remaining tests to pass by completing the result_with_list and
|
||||
// list_of_results functions.
|
||||
//
|
||||
// Execute `rustlings hint iterators3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint iterators3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -29,16 +26,14 @@ pub fn divide(a: i32, b: i32) -> Result<i32, DivisionError> {
|
|||
todo!();
|
||||
}
|
||||
|
||||
// Complete the function and return a value of the correct type so the test
|
||||
// passes.
|
||||
// Complete the function and return a value of the correct type so the test passes.
|
||||
// Desired output: Ok([1, 11, 1426, 3])
|
||||
fn result_with_list() -> () {
|
||||
let numbers = vec![27, 297, 38502, 81];
|
||||
let division_results = numbers.into_iter().map(|n| divide(n, 27));
|
||||
}
|
||||
|
||||
// Complete the function and return a value of the correct type so the test
|
||||
// passes.
|
||||
// Complete the function and return a value of the correct type so the test passes.
|
||||
// Desired output: [Ok(1), Ok(11), Ok(1426), Ok(3)]
|
||||
fn list_of_results() -> () {
|
||||
let numbers = vec![27, 297, 38502, 81];
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// iterators4.rs
|
||||
//
|
||||
// Execute `rustlings hint iterators4` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint iterators4` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,15 +1,14 @@
|
|||
// iterators5.rs
|
||||
//
|
||||
// Let's define a simple model to track Rustlings exercise progress. Progress
|
||||
// will be modelled using a hash map. The name of the exercise is the key and
|
||||
// the progress is the value. Two counting functions were created to count the
|
||||
// number of exercises with a given progress. Recreate this counting
|
||||
// functionality using iterators. Try not to use imperative loops (for, while).
|
||||
// Only the two iterator methods (count_iterator and count_collection_iterator)
|
||||
// need to be modified.
|
||||
// number of exercises with a given progress. These counting functions use
|
||||
// imperative style for loops. Recreate this counting functionality using
|
||||
// iterators. Only the two iterator methods (count_iterator and
|
||||
// count_collection_iterator) need to be modified.
|
||||
// Execute `rustlings hint iterators5` or use the `hint` watch subcommand for a hint.
|
||||
//
|
||||
// Execute `rustlings hint iterators5` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Make the code compile and the tests pass.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -68,28 +67,13 @@ mod tests {
|
|||
}
|
||||
|
||||
#[test]
|
||||
fn count_some() {
|
||||
fn count_equals_for() {
|
||||
let map = get_map();
|
||||
assert_eq!(1, count_iterator(&map, Progress::Some));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn count_none() {
|
||||
let map = get_map();
|
||||
assert_eq!(2, count_iterator(&map, Progress::None));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn count_complete_equals_for() {
|
||||
let map = get_map();
|
||||
let progress_states = vec![Progress::Complete, Progress::Some, Progress::None];
|
||||
for progress_state in progress_states {
|
||||
assert_eq!(
|
||||
count_for(&map, progress_state),
|
||||
count_iterator(&map, progress_state)
|
||||
count_for(&map, Progress::Complete),
|
||||
count_iterator(&map, Progress::Complete)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn count_collection_complete() {
|
||||
|
|
@ -100,30 +84,14 @@ mod tests {
|
|||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn count_collection_some() {
|
||||
let collection = get_vec_map();
|
||||
assert_eq!(1, count_collection_iterator(&collection, Progress::Some));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn count_collection_none() {
|
||||
let collection = get_vec_map();
|
||||
assert_eq!(4, count_collection_iterator(&collection, Progress::None));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn count_collection_equals_for() {
|
||||
let progress_states = vec![Progress::Complete, Progress::Some, Progress::None];
|
||||
let collection = get_vec_map();
|
||||
|
||||
for progress_state in progress_states {
|
||||
assert_eq!(
|
||||
count_collection_for(&collection, progress_state),
|
||||
count_collection_iterator(&collection, progress_state)
|
||||
count_collection_for(&collection, Progress::Complete),
|
||||
count_collection_iterator(&collection, Progress::Complete)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
fn get_map() -> HashMap<String, Progress> {
|
||||
use Progress::*;
|
||||
|
|
|
|||
|
|
@ -11,12 +11,7 @@ be referenced outside. Lifetimes mean that calling code of e.g. functions
|
|||
can be checked to make sure their arguments are valid. Lifetimes are
|
||||
restrictive of their callers.
|
||||
|
||||
If you'd like to learn more about lifetime annotations, the
|
||||
[lifetimekata](https://tfpk.github.io/lifetimekata/) project
|
||||
has a similar style of exercises to Rustlings, but is all about
|
||||
learning to write lifetime annotations.
|
||||
|
||||
## Further information
|
||||
|
||||
- [Lifetimes (in Rust By Example)](https://doc.rust-lang.org/stable/rust-by-example/scope/lifetime.html)
|
||||
- [Validating References with Lifetimes](https://doc.rust-lang.org/book/ch10-03-lifetime-syntax.html)
|
||||
- [Lifetimes (in Rust By Example)](https://doc.rust-lang.org/stable/rust-by-example/scope/lifetime.html)
|
||||
|
|
|
|||
|
|
@ -1,12 +1,11 @@
|
|||
// lifetimes1.rs
|
||||
//
|
||||
// The Rust compiler needs to know how to check whether supplied references are
|
||||
// valid, so that it can let the programmer know if a reference is at risk of
|
||||
// going out of scope before it is used. Remember, references are borrows and do
|
||||
// not own their own data. What if their owner goes out of scope?
|
||||
// valid, so that it can let the programmer know if a reference is at risk
|
||||
// of going out of scope before it is used. Remember, references are borrows
|
||||
// and do not own their own data. What if their owner goes out of scope?
|
||||
//
|
||||
// Execute `rustlings hint lifetimes1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint lifetimes1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,10 @@
|
|||
// lifetimes2.rs
|
||||
//
|
||||
// So if the compiler is just validating the references passed to the annotated
|
||||
// parameters and the return type, what do we need to change?
|
||||
// So if the compiler is just validating the references passed
|
||||
// to the annotated parameters and the return type, what do
|
||||
// we need to change?
|
||||
//
|
||||
// Execute `rustlings hint lifetimes2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint lifetimes2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -2,8 +2,7 @@
|
|||
//
|
||||
// Lifetimes are also needed when structs hold references.
|
||||
//
|
||||
// Execute `rustlings hint lifetimes3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint lifetimes3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// macros1.rs
|
||||
//
|
||||
// Execute `rustlings hint macros1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint macros1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// macros2.rs
|
||||
//
|
||||
// Execute `rustlings hint macros2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint macros2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// macros3.rs
|
||||
//
|
||||
// Make me compile, without taking the macro out of the module!
|
||||
//
|
||||
// Execute `rustlings hint macros3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint macros3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// macros4.rs
|
||||
//
|
||||
// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// modules1.rs
|
||||
//
|
||||
// Execute `rustlings hint modules1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint modules1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,7 @@
|
|||
// modules2.rs
|
||||
//
|
||||
// You can bring module paths into scopes and provide new names for them with
|
||||
// the 'use' and 'as' keywords. Fix these 'use' statements to make the code
|
||||
// compile.
|
||||
//
|
||||
// Execute `rustlings hint modules2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// You can bring module paths into scopes and provide new names for them with the
|
||||
// 'use' and 'as' keywords. Fix these 'use' statements to make the code compile.
|
||||
// Execute `rustlings hint modules2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,12 +1,9 @@
|
|||
// modules3.rs
|
||||
//
|
||||
// You can use the 'use' keyword to bring module paths from modules from
|
||||
// anywhere and especially from the Rust standard library into your scope. Bring
|
||||
// SystemTime and UNIX_EPOCH from the std::time module. Bonus style points if
|
||||
// you can do it with one line!
|
||||
//
|
||||
// Execute `rustlings hint modules3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// You can use the 'use' keyword to bring module paths from modules from anywhere
|
||||
// and especially from the Rust standard library into your scope.
|
||||
// Bring SystemTime and UNIX_EPOCH
|
||||
// from the std::time module. Bonus style points if you can do it with one line!
|
||||
// Execute `rustlings hint modules3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,23 +1,26 @@
|
|||
// move_semantics1.rs
|
||||
//
|
||||
// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let vec0 = vec![22, 44, 66];
|
||||
let vec0 = Vec::new();
|
||||
|
||||
let vec1 = fill_vec(vec0);
|
||||
|
||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
|
||||
vec1.push(88);
|
||||
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
}
|
||||
|
||||
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
|
||||
let vec = vec;
|
||||
let mut vec = vec;
|
||||
|
||||
vec.push(88);
|
||||
vec.push(22);
|
||||
vec.push(44);
|
||||
vec.push(66);
|
||||
|
||||
vec
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,26 +1,28 @@
|
|||
// move_semantics2.rs
|
||||
//
|
||||
// Make the test pass by finding a way to keep both Vecs separate!
|
||||
//
|
||||
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Make me compile without changing line 13 or moving line 10!
|
||||
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let vec0 = vec![22, 44, 66];
|
||||
let vec0 = Vec::new();
|
||||
|
||||
let mut vec1 = fill_vec(vec0);
|
||||
|
||||
assert_eq!(vec0, vec![22, 44, 66]);
|
||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||
// Do not change the following line!
|
||||
println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0);
|
||||
|
||||
vec1.push(88);
|
||||
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
}
|
||||
|
||||
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
|
||||
let mut vec = vec;
|
||||
|
||||
vec.push(88);
|
||||
vec.push(22);
|
||||
vec.push(44);
|
||||
vec.push(66);
|
||||
|
||||
vec
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,24 +1,26 @@
|
|||
// move_semantics3.rs
|
||||
//
|
||||
// Make me compile without adding new lines -- just changing existing lines! (no
|
||||
// lines with multiple semicolons necessary!)
|
||||
//
|
||||
// Execute `rustlings hint move_semantics3` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Make me compile without adding new lines-- just changing existing lines!
|
||||
// (no lines with multiple semicolons necessary!)
|
||||
// Execute `rustlings hint move_semantics3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let vec0 = vec![22, 44, 66];
|
||||
let vec0 = Vec::new();
|
||||
|
||||
let mut vec1 = fill_vec(vec0);
|
||||
|
||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
|
||||
vec1.push(88);
|
||||
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
}
|
||||
|
||||
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
|
||||
vec.push(88);
|
||||
vec.push(22);
|
||||
vec.push(44);
|
||||
vec.push(66);
|
||||
|
||||
vec
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,29 +1,30 @@
|
|||
// move_semantics4.rs
|
||||
//
|
||||
// Refactor this code so that instead of passing `vec0` into the `fill_vec`
|
||||
// function, the Vector gets created in the function itself and passed back to
|
||||
// the main function.
|
||||
//
|
||||
// Execute `rustlings hint move_semantics4` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Refactor this code so that instead of passing `vec0` into the `fill_vec` function,
|
||||
// the Vector gets created in the function itself and passed back to the main
|
||||
// function.
|
||||
// Execute `rustlings hint move_semantics4` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let vec0 = vec![22, 44, 66];
|
||||
let vec0 = Vec::new();
|
||||
|
||||
let mut vec1 = fill_vec(vec0);
|
||||
|
||||
assert_eq!(vec1, vec![22, 44, 66, 88]);
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
|
||||
vec1.push(88);
|
||||
|
||||
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
|
||||
}
|
||||
|
||||
// `fill_vec()` no longer takes `vec: Vec<i32>` as argument - don't change this!
|
||||
// `fill_vec()` no longer takes `vec: Vec<i32>` as argument
|
||||
fn fill_vec() -> Vec<i32> {
|
||||
// Instead, let's create and fill the Vec in here - how do you do that?
|
||||
let mut vec = vec;
|
||||
|
||||
vec.push(88);
|
||||
vec.push(22);
|
||||
vec.push(44);
|
||||
vec.push(66);
|
||||
|
||||
vec
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,14 +1,10 @@
|
|||
// move_semantics5.rs
|
||||
//
|
||||
// Make me compile only by reordering the lines in `main()`, but without adding,
|
||||
// changing or removing any of them.
|
||||
//
|
||||
// Execute `rustlings hint move_semantics5` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Make me compile only by reordering the lines in `main()`, but without
|
||||
// adding, changing or removing any of them.
|
||||
// Execute `rustlings hint move_semantics5` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let mut x = 100;
|
||||
let y = &mut x;
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// move_semantics6.rs
|
||||
//
|
||||
// Execute `rustlings hint move_semantics6` or use the `hint` watch subcommand for a hint.
|
||||
// You can't change anything except adding or removing references.
|
||||
//
|
||||
// Execute `rustlings hint move_semantics6` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -2,7 +2,6 @@
|
|||
|
||||
Type Option represents an optional value: every Option is either Some and contains a value, or None, and does not.
|
||||
Option types are very common in Rust code, as they have a number of uses:
|
||||
|
||||
- Initial values
|
||||
- Return values for functions that are not defined over their entire input range (partial functions)
|
||||
- Return value for otherwise reporting simple errors, where None is returned on error
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// options1.rs
|
||||
//
|
||||
// Execute `rustlings hint options1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint options1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -9,9 +7,8 @@
|
|||
// If it's before 10PM, there's 5 pieces left. At 10PM, someone eats them
|
||||
// all, so there'll be no more left :(
|
||||
fn maybe_icecream(time_of_day: u16) -> Option<u16> {
|
||||
// We use the 24-hour system here, so 10PM is a value of 22 and 12AM is a
|
||||
// value of 0 The Option output should gracefully handle cases where
|
||||
// time_of_day > 23.
|
||||
// We use the 24-hour system here, so 10PM is a value of 22 and 12AM is a value of 0
|
||||
// The Option output should gracefully handle cases where time_of_day > 23.
|
||||
// TODO: Complete the function body - remember to return an Option!
|
||||
???
|
||||
}
|
||||
|
|
@ -31,8 +28,7 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn raw_value() {
|
||||
// TODO: Fix this test. How do you get at the value contained in the
|
||||
// Option?
|
||||
// TODO: Fix this test. How do you get at the value contained in the Option?
|
||||
let icecreams = maybe_icecream(12);
|
||||
assert_eq!(icecreams, 5);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// options2.rs
|
||||
//
|
||||
// Execute `rustlings hint options2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint options2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -20,23 +18,17 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn layered_option() {
|
||||
let range = 10;
|
||||
let mut optional_integers: Vec<Option<i8>> = vec![None];
|
||||
|
||||
for i in 1..(range + 1) {
|
||||
let mut range = 10;
|
||||
let mut optional_integers: Vec<Option<i8>> = Vec::new();
|
||||
for i in 0..(range + 1) {
|
||||
optional_integers.push(Some(i));
|
||||
}
|
||||
|
||||
let mut cursor = range;
|
||||
|
||||
// TODO: make this a while let statement - remember that vector.pop also
|
||||
// adds another layer of Option<T>. You can stack `Option<T>`s into
|
||||
// while let and if let.
|
||||
// TODO: make this a while let statement - remember that vector.pop also adds another layer of Option<T>
|
||||
// You can stack `Option<T>`'s into while let and if let
|
||||
integer = optional_integers.pop() {
|
||||
assert_eq!(integer, cursor);
|
||||
cursor -= 1;
|
||||
assert_eq!(integer, range);
|
||||
range -= 1;
|
||||
}
|
||||
|
||||
assert_eq!(cursor, 0);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// options3.rs
|
||||
//
|
||||
// Execute `rustlings hint options3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint options3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -15,7 +13,7 @@ fn main() {
|
|||
|
||||
match y {
|
||||
Some(p) => println!("Co-ordinates are {},{} ", p.x, p.y),
|
||||
_ => panic!("no match!"),
|
||||
_ => println!("no match"),
|
||||
}
|
||||
y; // Fix without deleting this line.
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,7 +1,6 @@
|
|||
// primitive_types1.rs
|
||||
//
|
||||
// Fill in the rest of the line that has code missing! No hints, there's no
|
||||
// tricks, just get used to typing these :)
|
||||
// Fill in the rest of the line that has code missing!
|
||||
// No hints, there's no tricks, just get used to typing these :)
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,6 @@
|
|||
// primitive_types2.rs
|
||||
//
|
||||
// Fill in the rest of the line that has code missing! No hints, there's no
|
||||
// tricks, just get used to typing these :)
|
||||
// Fill in the rest of the line that has code missing!
|
||||
// No hints, there's no tricks, just get used to typing these :)
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// primitive_types3.rs
|
||||
//
|
||||
// Create an array with at least 100 elements in it where the ??? is.
|
||||
//
|
||||
// Execute `rustlings hint primitive_types3` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Execute `rustlings hint primitive_types3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -14,6 +11,5 @@ fn main() {
|
|||
println!("Wow, that's a big array!");
|
||||
} else {
|
||||
println!("Meh, I eat arrays like that for breakfast.");
|
||||
panic!("Array not big enough, more elements needed")
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// primitive_types4.rs
|
||||
//
|
||||
// Get a slice out of Array a where the ??? is so that the test passes.
|
||||
//
|
||||
// Execute `rustlings hint primitive_types4` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Execute `rustlings hint primitive_types4` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// primitive_types5.rs
|
||||
//
|
||||
// Destructure the `cat` tuple so that the println will work.
|
||||
//
|
||||
// Execute `rustlings hint primitive_types5` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Execute `rustlings hint primitive_types5` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,7 @@
|
|||
// primitive_types6.rs
|
||||
//
|
||||
// Use a tuple index to access the second element of `numbers`. You can put the
|
||||
// expression for the second element where ??? is so that the test passes.
|
||||
//
|
||||
// Execute `rustlings hint primitive_types6` or use the `hint` watch subcommand
|
||||
// for a hint.
|
||||
// Use a tuple index to access the second element of `numbers`.
|
||||
// You can put the expression for the second element where ??? is so that the test passes.
|
||||
// Execute `rustlings hint primitive_types6` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,17 +1,14 @@
|
|||
// quiz1.rs
|
||||
//
|
||||
// This is a quiz for the following sections:
|
||||
// - Variables
|
||||
// - Functions
|
||||
// - If
|
||||
//
|
||||
|
||||
// Mary is buying apples. The price of an apple is calculated as follows:
|
||||
// - An apple costs 2 rustbucks.
|
||||
// - If Mary buys more than 40 apples, each apple only costs 1 rustbuck!
|
||||
// Write a function that calculates the price of an order of apples given the
|
||||
// quantity bought.
|
||||
//
|
||||
// No hints this time ;)
|
||||
// Write a function that calculates the price of an order of apples given
|
||||
// the quantity bought. No hints this time!
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,15 +1,14 @@
|
|||
// quiz2.rs
|
||||
//
|
||||
// This is a quiz for the following sections:
|
||||
// - Strings
|
||||
// - Vecs
|
||||
// - Move semantics
|
||||
// - Modules
|
||||
// - Enums
|
||||
//
|
||||
// Let's build a little machine in the form of a function. As input, we're going
|
||||
// to give a list of strings and commands. These commands determine what action
|
||||
// is going to be applied to the string. It can either be:
|
||||
|
||||
// Let's build a little machine in the form of a function.
|
||||
// As input, we're going to give a list of strings and commands. These commands
|
||||
// determine what action is going to be applied to the string. It can either be:
|
||||
// - Uppercase the string
|
||||
// - Trim the string
|
||||
// - Append "bar" to the string a specified amount of times
|
||||
|
|
@ -17,7 +16,6 @@
|
|||
// - The input is going to be a Vector of a 2-length tuple,
|
||||
// the first element is the string, the second one is the command.
|
||||
// - The output element is going to be a Vector of strings.
|
||||
//
|
||||
// No hints this time!
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
|
|||
|
|
@ -1,19 +1,17 @@
|
|||
// quiz3.rs
|
||||
//
|
||||
// This quiz tests:
|
||||
// - Generics
|
||||
// - Traits
|
||||
//
|
||||
// An imaginary magical school has a new report card generation system written
|
||||
// in Rust! Currently the system only supports creating report cards where the
|
||||
// student's grade is represented numerically (e.g. 1.0 -> 5.5). However, the
|
||||
// school also issues alphabetical grades (A+ -> F-) and needs to be able to
|
||||
// print both types of report card!
|
||||
//
|
||||
// An imaginary magical school has a new report card generation system written in Rust!
|
||||
// Currently the system only supports creating report cards where the student's grade
|
||||
// is represented numerically (e.g. 1.0 -> 5.5).
|
||||
// However, the school also issues alphabetical grades (A+ -> F-) and needs
|
||||
// to be able to print both types of report card!
|
||||
|
||||
// Make the necessary code changes in the struct ReportCard and the impl block
|
||||
// to support alphabetical report cards. Change the Grade in the second test to
|
||||
// "A+" to show that your changes allow alphabetical grades.
|
||||
//
|
||||
// to support alphabetical report cards. Change the Grade in the second test to "A+"
|
||||
// to show that your changes allow alphabetical grades.
|
||||
|
||||
// Execute `rustlings hint quiz3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
# Smart Pointers
|
||||
|
||||
In Rust, smart pointers are variables that contain an address in memory and reference some other data, but they also have additional metadata and capabilities.
|
||||
Smart pointers in Rust often own the data they point to, while references only borrow data.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,24 +1,21 @@
|
|||
// arc1.rs
|
||||
//
|
||||
// In this exercise, we are given a Vec of u32 called "numbers" with values
|
||||
// ranging from 0 to 99 -- [ 0, 1, 2, ..., 98, 99 ] We would like to use this
|
||||
// set of numbers within 8 different threads simultaneously. Each thread is
|
||||
// going to get the sum of every eighth value, with an offset.
|
||||
//
|
||||
// In this exercise, we are given a Vec of u32 called "numbers" with values ranging
|
||||
// from 0 to 99 -- [ 0, 1, 2, ..., 98, 99 ]
|
||||
// We would like to use this set of numbers within 8 different threads simultaneously.
|
||||
// Each thread is going to get the sum of every eighth value, with an offset.
|
||||
// The first thread (offset 0), will sum 0, 8, 16, ...
|
||||
// The second thread (offset 1), will sum 1, 9, 17, ...
|
||||
// The third thread (offset 2), will sum 2, 10, 18, ...
|
||||
// ...
|
||||
// The eighth thread (offset 7), will sum 7, 15, 23, ...
|
||||
//
|
||||
|
||||
// Because we are using threads, our values need to be thread-safe. Therefore,
|
||||
// we are using Arc. We need to make a change in each of the two TODOs.
|
||||
//
|
||||
|
||||
|
||||
// Make this code compile by filling in a value for `shared_numbers` where the
|
||||
// first TODO comment is, and create an initial binding for `child_numbers`
|
||||
// where the second TODO comment is. Try not to create any copies of the
|
||||
// `numbers` Vec!
|
||||
//
|
||||
// where the second TODO comment is. Try not to create any copies of the `numbers` Vec!
|
||||
// Execute `rustlings hint arc1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
|
|||
|
|
@ -1,15 +1,13 @@
|
|||
// box1.rs
|
||||
//
|
||||
// At compile time, Rust needs to know how much space a type takes up. This
|
||||
// becomes problematic for recursive types, where a value can have as part of
|
||||
// itself another value of the same type. To get around the issue, we can use a
|
||||
// `Box` - a smart pointer used to store data on the heap, which also allows us
|
||||
// to wrap a recursive type.
|
||||
// At compile time, Rust needs to know how much space a type takes up. This becomes problematic
|
||||
// for recursive types, where a value can have as part of itself another value of the same type.
|
||||
// To get around the issue, we can use a `Box` - a smart pointer used to store data on the heap,
|
||||
// which also allows us to wrap a recursive type.
|
||||
//
|
||||
// The recursive type we're implementing in this exercise is the `cons list` - a
|
||||
// data structure frequently found in functional programming languages. Each
|
||||
// item in a cons list contains two elements: the value of the current item and
|
||||
// the next item. The last item is a value called `Nil`.
|
||||
// The recursive type we're implementing in this exercise is the `cons list` - a data structure
|
||||
// frequently found in functional programming languages. Each item in a cons list contains two
|
||||
// elements: the value of the current item and the next item. The last item is a value called `Nil`.
|
||||
//
|
||||
// Step 1: use a `Box` in the enum definition to make the code compile
|
||||
// Step 2: create both empty and non-empty cons lists by replacing `todo!()`
|
||||
|
|
|
|||
|
|
@ -1,16 +1,12 @@
|
|||
// cow1.rs
|
||||
//
|
||||
// This exercise explores the Cow, or Clone-On-Write type. Cow is a
|
||||
// clone-on-write smart pointer. It can enclose and provide immutable access to
|
||||
// borrowed data, and clone the data lazily when mutation or ownership is
|
||||
// required. The type is designed to work with general borrowed data via the
|
||||
// Borrow trait.
|
||||
|
||||
// This exercise explores the Cow, or Clone-On-Write type.
|
||||
// Cow is a clone-on-write smart pointer.
|
||||
// It can enclose and provide immutable access to borrowed data, and clone the data lazily when mutation or ownership is required.
|
||||
// The type is designed to work with general borrowed data via the Borrow trait.
|
||||
//
|
||||
// This exercise is meant to show you what to expect when passing data to Cow.
|
||||
// Fix the unit tests by checking for Cow::Owned(_) and Cow::Borrowed(_) at the
|
||||
// TODO markers.
|
||||
//
|
||||
// Execute `rustlings hint cow1` or use the `hint` watch subcommand for a hint.
|
||||
// Fix the unit tests by checking for Cow::Owned(_) and Cow::Borrowed(_) at the TODO markers.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -54,9 +50,9 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn owned_no_mutation() -> Result<(), &'static str> {
|
||||
// We can also pass `slice` without `&` so Cow owns it directly. In this
|
||||
// case no mutation occurs and thus also no clone, but the result is
|
||||
// still owned because it was never borrowed or mutated.
|
||||
// We can also pass `slice` without `&` so Cow owns it directly.
|
||||
// In this case no mutation occurs and thus also no clone,
|
||||
// but the result is still owned because it always was.
|
||||
let slice = vec![0, 1, 2];
|
||||
let mut input = Cow::from(slice);
|
||||
match abs_all(&mut input) {
|
||||
|
|
@ -66,9 +62,9 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn owned_mutation() -> Result<(), &'static str> {
|
||||
// Of course this is also the case if a mutation does occur. In this
|
||||
// case the call to `to_mut()` in the abs_all() function returns a
|
||||
// reference to the same data as before.
|
||||
// Of course this is also the case if a mutation does occur.
|
||||
// In this case the call to `to_mut()` returns a reference to
|
||||
// the same data as before.
|
||||
let slice = vec![-1, 0, 1];
|
||||
let mut input = Cow::from(slice);
|
||||
match abs_all(&mut input) {
|
||||
|
|
|
|||
|
|
@ -1,14 +1,9 @@
|
|||
// rc1.rs
|
||||
//
|
||||
// In this exercise, we want to express the concept of multiple owners via the
|
||||
// Rc<T> type. This is a model of our solar system - there is a Sun type and
|
||||
// multiple Planets. The Planets take ownership of the sun, indicating that they
|
||||
// revolve around the sun.
|
||||
//
|
||||
// Make this code compile by using the proper Rc primitives to express that the
|
||||
// sun has multiple owners.
|
||||
//
|
||||
// Execute `rustlings hint rc1` or use the `hint` watch subcommand for a hint.
|
||||
// In this exercise, we want to express the concept of multiple owners via the Rc<T> type.
|
||||
// This is a model of our solar system - there is a Sun type and multiple Planets.
|
||||
// The Planets take ownership of the sun, indicating that they revolve around the sun.
|
||||
|
||||
// Make this code compile by using the proper Rc primitives to express that the sun has multiple owners.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -35,7 +30,6 @@ impl Planet {
|
|||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn main() {
|
||||
let sun = Rc::new(Sun {});
|
||||
println!("reference count = {}", Rc::strong_count(&sun)); // 1 reference
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// strings1.rs
|
||||
//
|
||||
// Make me compile without changing the function signature!
|
||||
//
|
||||
// Execute `rustlings hint strings1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint strings1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// strings2.rs
|
||||
//
|
||||
// Make me compile without changing the function signature!
|
||||
//
|
||||
// Execute `rustlings hint strings2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint strings2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,5 @@
|
|||
// strings3.rs
|
||||
//
|
||||
// Execute `rustlings hint strings3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint strings3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,9 @@
|
|||
// strings4.rs
|
||||
//
|
||||
|
||||
// Ok, here are a bunch of values-- some are `String`s, some are `&str`s. Your
|
||||
// task is to call one of these two functions on each value depending on what
|
||||
// you think each value is. That is, add either `string_slice` or `string`
|
||||
// before the parentheses on each line. If you're right, it will compile!
|
||||
//
|
||||
// No hints this time!
|
||||
|
||||
// I AM NOT DONE
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// structs1.rs
|
||||
//
|
||||
// Address all the TODOs to make the tests pass!
|
||||
//
|
||||
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,6 @@
|
|||
// structs2.rs
|
||||
//
|
||||
// Address all the TODOs to make the tests pass!
|
||||
//
|
||||
// Execute `rustlings hint structs2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint structs2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,8 @@
|
|||
// structs3.rs
|
||||
//
|
||||
// Structs contain data, but can also have logic. In this exercise we have
|
||||
// defined the Package struct and we want to test some logic attached to it.
|
||||
// Make the code compile and the tests pass!
|
||||
//
|
||||
// Execute `rustlings hint structs3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint structs3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -13,15 +10,13 @@
|
|||
struct Package {
|
||||
sender_country: String,
|
||||
recipient_country: String,
|
||||
weight_in_grams: u32,
|
||||
weight_in_grams: i32,
|
||||
}
|
||||
|
||||
impl Package {
|
||||
fn new(sender_country: String, recipient_country: String, weight_in_grams: u32) -> Package {
|
||||
if weight_in_grams < 10 {
|
||||
// This is not how you should handle errors in Rust,
|
||||
// but we will learn about error handling later.
|
||||
panic!("Can not ship a package with weight below 10 grams.")
|
||||
fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package {
|
||||
if weight_in_grams <= 0 {
|
||||
panic!("Can not ship a weightless package.")
|
||||
} else {
|
||||
Package {
|
||||
sender_country,
|
||||
|
|
@ -35,7 +30,7 @@ impl Package {
|
|||
// Something goes here...
|
||||
}
|
||||
|
||||
fn get_fees(&self, cents_per_gram: u32) -> ??? {
|
||||
fn get_fees(&self, cents_per_gram: i32) -> ??? {
|
||||
// Something goes here...
|
||||
}
|
||||
}
|
||||
|
|
@ -50,7 +45,7 @@ mod tests {
|
|||
let sender_country = String::from("Spain");
|
||||
let recipient_country = String::from("Austria");
|
||||
|
||||
Package::new(sender_country, recipient_country, 5);
|
||||
Package::new(sender_country, recipient_country, -2210);
|
||||
}
|
||||
|
||||
#[test]
|
||||
|
|
|
|||
|
|
@ -1,14 +1,11 @@
|
|||
// tests1.rs
|
||||
//
|
||||
// Tests are important to ensure that your code does what you think it should
|
||||
// do. Tests can be run on this file with the following command: rustlings run
|
||||
// tests1
|
||||
//
|
||||
// This test has a problem with it -- make the test compile! Make the test pass!
|
||||
// Make the test fail!
|
||||
//
|
||||
// Execute `rustlings hint tests1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Tests are important to ensure that your code does what you think it should do.
|
||||
// Tests can be run on this file with the following command:
|
||||
// rustlings run tests1
|
||||
|
||||
// This test has a problem with it -- make the test compile! Make the test
|
||||
// pass! Make the test fail!
|
||||
// Execute `rustlings hint tests1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,7 @@
|
|||
// tests2.rs
|
||||
//
|
||||
// This test has a problem with it -- make the test compile! Make the test pass!
|
||||
// Make the test fail!
|
||||
//
|
||||
// Execute `rustlings hint tests2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// This test has a problem with it -- make the test compile! Make the test
|
||||
// pass! Make the test fail!
|
||||
// Execute `rustlings hint tests2` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,8 @@
|
|||
// tests3.rs
|
||||
//
|
||||
// This test isn't testing our function -- make it do that in such a way that
|
||||
// the test passes. Then write a second test that tests whether we get the
|
||||
// result we expect to get when we call `is_even(5)`.
|
||||
//
|
||||
// Execute `rustlings hint tests3` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// the test passes. Then write a second test that tests whether we get the result
|
||||
// we expect to get when we call `is_even(5)`.
|
||||
// Execute `rustlings hint tests3` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,48 +0,0 @@
|
|||
// tests4.rs
|
||||
//
|
||||
// Make sure that we're testing for the correct conditions!
|
||||
//
|
||||
// Execute `rustlings hint tests4` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
struct Rectangle {
|
||||
width: i32,
|
||||
height: i32
|
||||
}
|
||||
|
||||
impl Rectangle {
|
||||
// Only change the test functions themselves
|
||||
pub fn new(width: i32, height: i32) -> Self {
|
||||
if width <= 0 || height <= 0 {
|
||||
panic!("Rectangle width and height cannot be negative!")
|
||||
}
|
||||
Rectangle {width, height}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn correct_width_and_height() {
|
||||
// This test should check if the rectangle is the size that we pass into its constructor
|
||||
let rect = Rectangle::new(10, 20);
|
||||
assert_eq!(???, 10); // check width
|
||||
assert_eq!(???, 20); // check height
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn negative_width() {
|
||||
// This test should check if program panics when we try to create rectangle with negative width
|
||||
let _rect = Rectangle::new(-10, 10);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn negative_height() {
|
||||
// This test should check if program panics when we try to create rectangle with negative height
|
||||
let _rect = Rectangle::new(10, -10);
|
||||
}
|
||||
}
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
# Threads
|
||||
|
||||
In most current operating systems, an executed program's code is run in a process, and the operating system manages multiple processes at once.
|
||||
In most current operating systems, an executed program’s code is run in a process, and the operating system manages multiple processes at once.
|
||||
Within your program, you can also have independent parts that run simultaneously. The features that run these independent parts are called threads.
|
||||
|
||||
## Further information
|
||||
|
|
|
|||
|
|
@ -1,12 +1,10 @@
|
|||
// threads1.rs
|
||||
//
|
||||
// This program spawns multiple threads that each run for at least 250ms, and
|
||||
// each thread returns how much time they took to complete. The program should
|
||||
// wait until all the spawned threads have finished and should collect their
|
||||
// return values into a vector.
|
||||
//
|
||||
// Execute `rustlings hint threads1` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint threads1` or use the `hint` watch subcommand for a hint.
|
||||
|
||||
// This program spawns multiple threads that each run for at least 250ms,
|
||||
// and each thread returns how much time they took to complete.
|
||||
// The program should wait until all the spawned threads have finished and
|
||||
// should collect their return values into a vector.
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
|
|||
|
|
@ -1,11 +1,7 @@
|
|||
// threads2.rs
|
||||
//
|
||||
// Building on the last exercise, we want all of the threads to complete their
|
||||
// work but this time the spawned threads need to be in charge of updating a
|
||||
// shared value: JobStatus.jobs_completed
|
||||
//
|
||||
// Execute `rustlings hint threads2` or use the `hint` watch subcommand for a
|
||||
// hint.
|
||||
// Execute `rustlings hint threads2` or use the `hint` watch subcommand for a hint.
|
||||
// Building on the last exercise, we want all of the threads to complete their work but this time
|
||||
// the spawned threads need to be in charge of updating a shared value: JobStatus.jobs_completed
|
||||
|
||||
// I AM NOT DONE
|
||||
|
||||
|
|
@ -31,9 +27,8 @@ fn main() {
|
|||
}
|
||||
for handle in handles {
|
||||
handle.join().unwrap();
|
||||
// TODO: Print the value of the JobStatus.jobs_completed. Did you notice
|
||||
// anything interesting in the output? Do you have to 'join' on all the
|
||||
// handles?
|
||||
// TODO: Print the value of the JobStatus.jobs_completed. Did you notice anything
|
||||
// interesting in the output? Do you have to 'join' on all the handles?
|
||||
println!("jobs completed {}", ???);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue