元组 Tuples

fn name(mut a : i32 ,mut  b : i8)->(i32,i32,i32,i8)
{
    a+=1;
    b+=1;
    (a-1 , a , a+1 , b)
}

fn main() {
    let (i , o ,mut u , r) = name(5,1);
    u += 1;
    println!("{} {} {} {}", i , o , u , r);
    println!("{} {} {} {}", 
    name(5,1).0 , name(5,1).1 , name(5,1).2 , name(5,1).3);
}