rustlings/exercises/functions/functions2.rs
Roberto Vidal 2cdd61294f feat: improve watch execution mode
The `watch` command now requires user action to move to the next
exercise.

BREAKING CHANGE: this changes the behavior of `watch`.
2019-11-11 16:23:35 +01:00

44 lines
376 B
Rust

// functions2.rs
// Make me compile! Scroll down for hints :)
// I AM NOT DONE
fn main() {
call_me(3);
}
fn call_me(num) {
for i in 0..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`.