[
    Expression {
        expression: Print {
            span: (
                1,
                7,
            ),
            value: Variable(
                SimpleVariable(
                    SimpleVariable {
                        span: (
                            1,
                            13,
                        ),
                        name: "foo",
                    },
                ),
            ),
        },
        end: (
            1,
            17,
        ),
    },
]
