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feat: Refactor hint system

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Hints are now accessible using the CLI subcommand `rustlings hint
<exercise name`.

BREAKING CHANGE: This fundamentally changes the way people interact with exercises.
This commit is contained in:
marisa 2019-11-11 16:51:38 +01:00
parent 627cdc07d0
commit 9bdb0a12e4
47 changed files with 400 additions and 1681 deletions
exercises/functions
functions2.rs

32
exercises/functions/functions2.rs
View file

@ -1,5 +1,5 @@
// functions2.rs
// Make me compile! Scroll down for hints :)
// Make me compile! Execute `rustlings hint functions2` for hints :)
fn main() {
call_me(3);
@ -10,33 +10,3 @@ fn call_me(num) {
println!("Ring! Call number {}", i + 1);
}
}
// Rust requires that all parts of a function's signature have type annotations,
// but `call_me` is missing the type annotation of `num`.