[
    (
        "a",
        Argument(
            1,
            0,
        ),
    ),
    (
        "b",
        Argument(
            1,
            1,
        ),
    ),
    (
        "c",
        Function(
            6,
            1,
            Array {
                total_nodes: 5,
                items: [
                    Concat(
                        3,
                        [
                            Variable(
                                (
                                    "a",
                                    #3,
                                ),
                            ),
                            Variable(
                                (
                                    "b",
                                    #3,
                                ),
                            ),
                        ],
                    ),
                    Variable(
                        (
                            "a",
                            #3,
                        ),
                    ),
                ],
                mutable: true,
            },
        ),
    ),
    (
        "d",
        Call(
            4,
            Variable(
                (
                    "c",
                    #2,
                ),
            ),
            [
                Constant(
                    Str(
                        Atom(
                            "1",
                        ),
                    ),
                ),
                Constant(
                    Str(
                        Atom(
                            "2",
                        ),
                    ),
                ),
            ],
        ),
    ),
    (
        "e",
        Member(
            3,
            Variable(
                (
                    "d",
                    #2,
                ),
            ),
            Constant(
                Num(
                    ConstantNumber(
                        0.0,
                    ),
                ),
            ),
        ),
    ),
    (
        "f",
        Member(
            3,
            Variable(
                (
                    "d",
                    #2,
                ),
            ),
            Constant(
                Num(
                    ConstantNumber(
                        1.0,
                    ),
                ),
            ),
        ),
    ),
]