procedure Test.3 (Test.29):
    joinpoint Test.13 Test.4:
        let Test.23 : Int1 = 1i64;
        let Test.24 : Int1 = GetTagId Test.4;
        let Test.25 : Int1 = lowlevel Eq Test.23 Test.24;
        if Test.25 then
            let Test.14 : Int1 = false;
            ret Test.14;
        else
            let Test.19 : [C I64, C ] = UnionAtIndex (Id 0) (Index 0) Test.4;
            let Test.20 : U8 = 1i64;
            let Test.21 : U8 = GetTagId Test.19;
            let Test.22 : Int1 = lowlevel Eq Test.20 Test.21;
            if Test.22 then
                let Test.15 : Int1 = true;
                ret Test.15;
            else
                let Test.7 : TODO = UnionAtIndex (Id 0) (Index 1) Test.4;
                jump Test.13 Test.7;
    in
    jump Test.13 Test.29;

procedure Test.0 ():
    let Test.28 : I64 = 3i64;
    let Test.26 : [C I64, C ] = Just Test.28;
    let Test.27 : TODO = Nil ;
    let Test.12 : TODO = Cons Test.26 Test.27;
    let Test.11 : Int1 = CallByName Test.3 Test.12;
    dec Test.12;
    ret Test.11;