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feat(cli): Add "next" to run the next unsolved exercise. (#785)

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* Add "run next" to run the next unsolved exercise.

* Fix a grammar error in the message.

* Update README.md with the suggested change

Co-authored-by: marisa <mokou@fastmail.com>

* Update the README.md for "rustlings hint next".

Co-authored-by: marisa <mokou@fastmail.com>
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Richthofen 2021-06-30 03:05:49 -07:00 committed by GitHub
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commit d20e413a68
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2 changed files with 30 additions and 7 deletions
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12
README.md
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@ -97,6 +97,12 @@ In case you want to go by your own order, or want to only verify a single exerci
rustlings run myExercise1 rustlings run myExercise1
``` ```
Or simply use the following command to run the next unsolved exercise in the course:
```bash
rustlings run next
```
In case you get stuck, you can run the following command to get a hint for your In case you get stuck, you can run the following command to get a hint for your
exercise: exercise:
@ -104,6 +110,12 @@ exercise:
rustlings hint myExercise1 rustlings hint myExercise1
``` ```
You can also get the hint for the next unsolved exercise with the following command:
``` bash
rustlings hint next
```
To check your progress, you can run the following command: To check your progress, you can run the following command:
```bash ```bash
rustlings list rustlings list

25
src/main.rs
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@ -286,13 +286,24 @@ fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
} }
fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise { fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise {
exercises if name.eq("next") {
.iter() exercises
.find(|e| e.name == name) .iter()
.unwrap_or_else(|| { .find(|e| !e.looks_done())
println!("No exercise found for '{}'!", name); .unwrap_or_else(|| {
std::process::exit(1) println!("🎉 Congratulations! You have done all the exercises!");
}) println!("🔚 There are no more exercises to do next!");
std::process::exit(1)
})
} else {
exercises
.iter()
.find(|e| e.name == name)
.unwrap_or_else(|| {
println!("No exercise found for '{}'!", name);
std::process::exit(1)
})
}
} }
fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> { fn watch(exercises: &[Exercise], verbose: bool) -> notify::Result<()> {