diff --git a/exercises/README.md b/exercises/README.md index 725edd7..0c71524 100644 --- a/exercises/README.md +++ b/exercises/README.md @@ -10,6 +10,7 @@ | structs | §5.1 | | enums | §6 | | modules | §7.2 | +| collections | §8.1 | | strings | §8.2 | | error_handling | §9 | | generics | §10 | diff --git a/info.toml b/info.toml index 1b2eec2..f1fc398 100644 --- a/info.toml +++ b/info.toml @@ -356,6 +356,52 @@ its internal structure (the `fruits` and `veggies` modules and associated constants). It's almost there except for one keyword missing for each constant.""" +# COLLECTIONS + +[[exercises]] +name = "collections1" +path = "exercises/collections/vec1.rs" +mode = "test" +hint = """ +In Rust, there are two ways to define a Vector. +1. One way is to use the `Vec::new()` function to create a new vector + and fill it with the `push()` method. +2. The second way, which is simpler is to use the `vec![]` macro and + define your elements inside the square brackets. +Check this chapter: https://doc.rust-lang.org/stable/book/ch08-01-vectors.html +of the Rust book to learn more. +""" + +[[exercises]] +name = "collections2" +path = "exercises/collections/vec2.rs" +mode = "test" +hint = """ +Hint 1: `i` is each element from the Vec as they are being iterated. + Can you try multiplying this? +Hint 2: Check the suggestion from the compiler error ;) +""" + +[[exercises]] +name = "collections3" +path = "exercises/collections/hashmap1.rs" +mode = "test" +hint = """ +Hint 1: Take a look at the return type of the function to figure out + the type for the `basket`. +Hint 2: Number of fruits should be at least 5. And you have to put + at least three different types of fruits. +""" + +[[exercises]] +name = "collections4" +path = "exercises/collections/hashmap2.rs" +mode = "test" +hint = """ +Use the `entry()` and `or_insert()` methods of `HashMap` to achieve this. +Learn more at https://doc.rust-lang.org/stable/book/ch08-03-hash-maps.html#only-inserting-a-value-if-the-key-has-no-value +""" + # STRINGS [[exercises]] @@ -636,6 +682,23 @@ inside the loop but still in the main thread. `child_numbers` should be a clone of the Arc of the numbers instead of a thread-local copy of the numbers.""" +[[exercises]] +name = "iterators1" +path = "exercises/standard_library_types/iterators1.rs" +mode = "compile" +hint = """ +Step 1: +We need to apply something to the collection `my_fav_fruits` before we start to go through +it. What could that be? Take a look at the struct definition for a vector for inspiration: +https://doc.rust-lang.org/std/vec/struct.Vec.html. +Step 2 & step 2.1: +Very similar to the lines above and below. You've got this! +Step 3: +An iterator goes through all elements in a collection, but what if we've run out of +elements? What should we expect here? If you're stuck, take a look at +https://doc.rust-lang.org/std/iter/trait.Iterator.html for some ideas. +""" + [[exercises]] name = "iterators2" path = "exercises/standard_library_types/iterators2.rs"