chore: fixed merge conflicts from traits exercises added by s-marios
I hope this doesn't step on any toes but I wanted to try the traits exercises from #216 so I updated them to match the new structure with hints included in info.toml
After being stuck on exercise enums3.rs for about an hour or two, having read the entire chapter on enums 2-3 times, and still being unable to complete the exercise, i started broadening my reading. I finally found the answer in the rust docs via google.
Hints are now accessible using the CLI subcommand `rustlings hint
<exercise name`.
BREAKING CHANGE: This fundamentally changes the way people interact with exercises.
feat: Add enums exercises
Creates an exhaustive list of enum exercises. This goes through the basics of different ways to derive enums with mixed data type variants, as well as the use of the all important `match` operator.
closes#194
The author of issue #194 suggests that the wording of the comment is at
least ambiguous about the desired results. I believe this change more
clearly describes the expectation of the exercise.
This commit converts primitive_types4 to a test and asserts that the
slice given is equal to the expected slice.
The intent of the primitive_types4 exercise appears to be to ensure the
user understands inclusive and exclusive bounds as well as slice syntax.
`rustlings` commands using `compile` do not verify that a specific
println is reached and, in the case of `watch` and `verify` (but not
`run`), they do not output the `println`s at all.
This fix is semantically similar to #198. It does not take a stance on
the correct way to handle this for all exercises; see #127. There are
likely other exercises whose intent are masked by this issue.
`Expected` should come before `actual`, other wise it leads to confusing compiler messages, e.g.
```
note: expected type `()`
found type `{integer}`
```
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