[
    Expression {
        expression: Array {
            items: [
                ArrayItem {
                    key: None,
                    value: Variable(
                        SimpleVariable(
                            SimpleVariable {
                                span: (
                                    3,
                                    3,
                                ),
                                name: "foo",
                            },
                        ),
                    ),
                    unpack: false,
                    by_ref: true,
                },
            ],
        },
        end: (
            3,
            8,
        ),
    },
]
