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rustlings/exercises/variables/variables3.rs
2018-11-09 20:31:14 +01:00

44 lines
387 B
Rust
Executable File

// 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.