choose: (bit, i32, i32) -> i32: @ (condition: bit, when_true: i32, when_false: i32) { if condition { when_true } else { when_false } }

choose_block: (bit, i32, i32) -> i32: @ (condition: bit, when_true: i32, when_false: i32) { if condition {
    when_true
} else if not condition {
    when_false
} else {
    0
} }

first_positive: []i32 -> i32?: @ values: []i32 {
    for value in values {
        if value > 0 {
            return value->|.some
        }
    }
    nil
}

labelled_search: []i32 -> i32: @ values: []i32 { loop `outer {
    for value in values `items {
        if value > 0 {
            break `outer value
        }
        continue `items
    }
    break 0
} }