rustlings/solutions/01_variables/variables4.rs
2024-05-21 01:47:57 +02:00

10 lines
260 B
Rust

fn main() {
// In Rust, variables are immutable by default.
// Adding the `mut` keyword after `let` makes the declared variable mutable.
let mut x = 3;
println!("Number {x}");
x = 5; // Don't change this line
println!("Number {x}");
}