// variables2.rs
//
// Execute `rustlings hint variables2` or use the `hint` watch subcommand for a
// hint.

// I AM DONE

fn main() {
    // let x: i32 = 0;
    // 类型推断
    // Type inference
    let x = 0; 
    if x == 10 {
        println!("x is ten!");
    } else {
        println!("x is not ten!");
    }
}