[
    Expression {
        expr: Infix {
            lhs: Variable {
                name: "foo",
            },
            op: Assign,
            rhs: Call {
                target: Identifier {
                    name: "give_me_foo",
                },
                args: [],
            },
        },
    },
    Expression {
        expr: Infix {
            lhs: Variable {
                name: "a",
            },
            op: Assign,
            rhs: Array {
                items: [
                    ArrayItem {
                        key: Some(
                            ConstantString {
                                value: "single",
                            },
                        ),
                        value: Infix {
                            lhs: Variable {
                                name: "foo",
                            },
                            op: Instanceof,
                            rhs: Identifier {
                                name: "Foo",
                            },
                        },
                        unpack: false,
                    },
                    ArrayItem {
                        key: Some(
                            ConstantString {
                                value: "multiple",
                            },
                        ),
                        value: Infix {
                            lhs: Infix {
                                lhs: Variable {
                                    name: "foo",
                                },
                                op: Instanceof,
                                rhs: Identifier {
                                    name: "Bar",
                                },
                            },
                            op: And,
                            rhs: Infix {
                                lhs: Variable {
                                    name: "foo",
                                },
                                op: Instanceof,
                                rhs: Identifier {
                                    name: "Baz",
                                },
                            },
                        },
                        unpack: false,
                    },
                ],
            },
        },
    },
]