rustlings/solutions/01_variables/variables3.rs
2024-05-21 01:47:57 +02:00

14 lines
351 B
Rust

fn main() {
// Reading uninitialized variables isn't allowed in Rust!
// Therefore, we need to assign a value first.
let x: i32 = 42;
println!("Number {x}");
// It possible to declare a variable and initialize it later.
// But it can't be used before initialization.
let y: i32;
y = 42;
println!("Number {y}");
}