proc main!() {
    let rec = {|
        1 => "a",
        2 => "b",
        3 => "c",
    |};

    let y = match rec {
        case {| 1 => "b", 2 => _, ..c |} then c
        case {| 1 => "a", 3 => _, ..c |} then c
        else unit
    }

    exit y;
}