Mirrors/rustlings
2
0
Fork 0
mirror of https://github.com/rust-lang/rustlings synced 2024-11-15 00:47:11 +00:00
Code Issues Projects Releases Packages Wiki Activity

fix(main): Let find_exercise work with borrows

Browse source
This commit is contained in:
mokou 2021-04-21 16:21:56 +02:00
parent 6177b6e126
commit 347f30bd86
1 changed files with 6 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/main.rs
View file

@ -201,13 +201,13 @@ fn main() {
}
Subcommands::Run(subargs) => {
let exercise = find_exercise(subargs.name, exercises);
let exercise = find_exercise(&subargs.name, &exercises);
run(&exercise, verbose).unwrap_or_else(|_| std::process::exit(1));
}
Subcommands::Hint(subargs) => {
let exercise = find_exercise(subargs.name, exercises);
let exercise = find_exercise(&subargs.name, &exercises);
println!("{}", exercise.hint);
}
@ -285,14 +285,12 @@ fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
});
}
fn find_exercise(name: String, exercises: Vec<Exercise>) -> Exercise {
let matching_exercise = |e: &Exercise| name == e.name;
fn find_exercise<'a>(name: &str, exercises: &'a [Exercise]) -> &'a Exercise {
exercises
.into_iter()
.find(matching_exercise)
.iter()
.find(|e| e.name == name)
.unwrap_or_else(|| {
println!("No exercise found for your given name!");
println!("No exercise found for '{}'!", name);
std::process::exit(1)
})
}