[
    Function(
        Function {
            start: (
                3,
                1,
            ),
            end: (
                7,
                1,
            ),
            name: SimpleIdentifier {
                span: (
                    3,
                    10,
                ),
                value: "a",
            },
            attributes: [],
            parameters: FunctionParameterList {
                start: (
                    3,
                    11,
                ),
                end: (
                    3,
                    13,
                ),
                members: [],
            },
            return_type: Some(
                Null,
            ),
            by_ref: false,
            body: [
                Echo {
                    values: [
                        LiteralString {
                            span: (
                                4,
                                10,
                            ),
                            value: "looping..\n",
                        },
                    ],
                },
                Return {
                    value: Some(
                        Null,
                    ),
                },
            ],
        },
    ),
    Expression {
        expression: AssignmentOperation(
            Assign {
                left: Variable(
                    SimpleVariable(
                        SimpleVariable {
                            span: (
                                9,
                                1,
                            ),
                            name: "bar",
                        },
                    ),
                ),
                span: (
                    9,
                    6,
                ),
                right: FunctionClosureCreation {
                    target: Identifier(
                        SimpleIdentifier(
                            SimpleIdentifier {
                                span: (
                                    9,
                                    8,
                                ),
                                value: "a",
                            },
                        ),
                    ),
                    placeholder: ArgumentPlaceholder {
                        start: (
                            9,
                            9,
                        ),
                        ellipsis: (
                            9,
                            10,
                        ),
                        end: (
                            9,
                            13,
                        ),
                    },
                },
            },
        ),
        end: (
            9,
            14,
        ),
    },
    Label {
        label: SimpleIdentifier {
            span: (
                11,
                1,
            ),
            value: "foo",
        },
    },
    Expression {
        expression: FunctionCall {
            target: Variable(
                SimpleVariable(
                    SimpleVariable {
                        span: (
                            12,
                            5,
                        ),
                        name: "bar",
                    },
                ),
            ),
            arguments: ArgumentList {
                start: (
                    12,
                    9,
                ),
                arguments: [],
                end: (
                    12,
                    10,
                ),
            },
        },
        end: (
            12,
            11,
        ),
    },
    Goto {
        label: SimpleIdentifier {
            span: (
                13,
                10,
            ),
            value: "foo",
        },
    },
]
