lang-ideas.rs

// chain matches to the first true case, and then continues to reiterate and match until no cases return true.

let x := chain {
    true => 5,
    x == 6 => x * 2,
    x == 5 => x + 1,
    x == 7 => 0
}

assert!(x == 12)

// branch matches to the first true case, and then flows downard and will continue to match true cases until it leaves
// the control block

let y := branch {
    true => 5,
    y == 6 => y * 2,
    y == 5 => y + 1,
    y == 7 => 0
}

assert!(y == 6)

// match works identically to Rust's match functionality.

let z := match(y) {
    6 => x * y
    _ => panic!()
}

assert!(z == x * y)

let a :=
    if false {
        0
    }
    else if true {
        50
    }
    else {
        9
    }

assert!(a == 50)