rustlings/variables/variables3.rs
2016-12-30 17:58:15 +09:00

43 lines
374 B
Rust

// Make me compile! Scroll down for hints :)
fn main() {
let mut 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.