[
    Expression {
        expression: AssignmentOperation(
            Assign {
                left: Variable(
                    SimpleVariable(
                        SimpleVariable {
                            span: (
                                4,
                                1,
                            ),
                            name: "a",
                        },
                    ),
                ),
                span: (
                    4,
                    4,
                ),
                right: LiteralInteger {
                    span: (
                        4,
                        6,
                    ),
                    value: "4",
                },
            },
        ),
        end: (
            4,
            7,
        ),
    },
    Expression {
        expression: AssignmentOperation(
            Assign {
                left: Variable(
                    SimpleVariable(
                        SimpleVariable {
                            span: (
                                6,
                                1,
                            ),
                            name: "b",
                        },
                    ),
                ),
                span: (
                    6,
                    4,
                ),
                right: Match {
                    condition: Variable(
                        SimpleVariable(
                            SimpleVariable {
                                span: (
                                    6,
                                    13,
                                ),
                                name: "a",
                            },
                        ),
                    ),
                    default: Some(
                        DefaultMatchArm {
                            body: Null,
                        },
                    ),
                    arms: [
                        MatchArm {
                            conditions: [
                                LiteralInteger {
                                    span: (
                                        7,
                                        5,
                                    ),
                                    value: "1",
                                },
                                LiteralInteger {
                                    span: (
                                        7,
                                        7,
                                    ),
                                    value: "2",
                                },
                                LiteralInteger {
                                    span: (
                                        7,
                                        9,
                                    ),
                                    value: "3",
                                },
                                LiteralInteger {
                                    span: (
                                        7,
                                        11,
                                    ),
                                    value: "4",
                                },
                            ],
                            body: Null,
                        },
                    ],
                },
            },
        ),
        end: (
            10,
            2,
        ),
    },
]
