Program {
    items: [
        Function(
            Function {
                fn_token: Token {
                    kind: Identifier,
                    location: Location {
                        start: 0,
                        end: 2,
                    },
                },
                name: Token {
                    kind: Identifier,
                    location: Location {
                        start: 3,
                        end: 6,
                    },
                },
                opening_paren: Token {
                    kind: Symbol,
                    location: Location {
                        start: 6,
                        end: 7,
                    },
                },
                arguments: [],
                closing_paren: Token {
                    kind: Symbol,
                    location: Location {
                        start: 7,
                        end: 8,
                    },
                },
                return_decl: Some(
                    ReturnDecl {
                        return_token: Token {
                            kind: Symbol,
                            location: Location {
                                start: 9,
                                end: 11,
                            },
                        },
                        return_type: TypeHint {
                            type_name: Token {
                                kind: Identifier,
                                location: Location {
                                    start: 12,
                                    end: 18,
                                },
                            },
                        },
                    },
                ),
                body: Body {
                    opening_brace: Token {
                        kind: Symbol,
                        location: Location {
                            start: 19,
                            end: 20,
                        },
                    },
                    statements: [
                        Return(
                            ReturnWithValue {
                                return_token: Token {
                                    kind: Identifier,
                                    location: Location {
                                        start: 25,
                                        end: 31,
                                    },
                                },
                                expression: FunctionCall {
                                    name: Token {
                                        kind: Identifier,
                                        location: Location {
                                            start: 32,
                                            end: 35,
                                        },
                                    },
                                    arguments: [],
                                },
                                semicolon: Token {
                                    kind: Symbol,
                                    location: Location {
                                        start: 37,
                                        end: 38,
                                    },
                                },
                            },
                        ),
                    ],
                    closing_brace: Token {
                        kind: Symbol,
                        location: Location {
                            start: 39,
                            end: 40,
                        },
                    },
                },
            },
        ),
    ],
}