[
    Expression {
        expression: AssignmentOperation(
            Assign {
                left: Variable(
                    SimpleVariable(
                        SimpleVariable {
                            span: (
                                3,
                                1,
                            ),
                            name: "a",
                        },
                    ),
                ),
                span: (
                    3,
                    4,
                ),
                right: ConstFetch {
                    target: Static,
                    constant: SimpleIdentifier {
                        span: (
                            3,
                            14,
                        ),
                        value: "foo",
                    },
                },
            },
        ),
        end: (
            3,
            17,
        ),
    },
]
