[
    Expression {
        expression: AssignmentOperation(
            Assign {
                left: List {
                    items: [
                        ListItem {
                            key: None,
                            value: Variable(
                                SimpleVariable(
                                    SimpleVariable {
                                        span: (
                                            3,
                                            6,
                                        ),
                                        name: "a",
                                    },
                                ),
                            ),
                        },
                        ListItem {
                            key: None,
                            value: Variable(
                                SimpleVariable(
                                    SimpleVariable {
                                        span: (
                                            3,
                                            9,
                                        ),
                                        name: "b",
                                    },
                                ),
                            ),
                        },
                    ],
                },
                span: (
                    3,
                    13,
                ),
                right: Variable(
                    SimpleVariable(
                        SimpleVariable {
                            span: (
                                3,
                                15,
                            ),
                            name: "foo",
                        },
                    ),
                ),
            },
        ),
        end: (
            3,
            19,
        ),
    },
]
