tuples

rust/book/src/main.rs

@@ -35,4 +35,16 @@ fn main() {
    println!("inc({}) = {}", n, inc(n));
    println!("inc(42) = {}", inc(42));
    println!("inc(43) = {}", inc(43));
    // tuples
    let ns = (3, 4);
    println!("x, y = {}, {}", ns.0, ns.1);
    let (x, y) = ns;
    println!("x, y = {}, {}", x, y);
    if ns == (4, 5) {
        println!("All the rules are different!");
    } else {
        println!("The universe is basically ok.");
    }
}