rustlings/exercises/variables/variables3.rs
2019-03-23 14:19:42 -06:00

44 lines
387 B
Rust

// variables3.rs
// Make me compile! Scroll down for hints :)
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.