rustlings/exercises/variables/variables3.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

45 lines
405 B
Rust

// variables3.rs
// Make me compile! Scroll down for hints :)
// I AM NOT DONE
fn main() {
let x = 3;
println!("Number {}", x);
x = 5;
println!("Number {}", x);
}
// In Rust, variable bindings are immutable by default. But here we're trying
// to reassign a different value to x! There's a keyword we can use to make
// a variable binding mutable instead.