Function sploosh

exercise/testing/src/lib.rs:1–8

(x: i32, y: i32, z: i32)

pub fn sploosh(x: i32, y: i32, z: i32) -> i32 {
    match (x, y, z) {
        (x, _, _) if x < 0 => 99,
        (1, 2, 3) => 4,
        (5, 6, 7) => 3,
        (x, y, z) => x + y - z,
    }
}

pub fn splish(a: i32, b: i32) -> i32 {
    -a + 3 * b