| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// @assertion The static type of a function literal of the form |
| /// (T1 a1,...,Tn an, [Tn+1 xn+1 = d1,...,Tn+k xn+k = dk]) async {s} is |
| /// (T1,...,Tn, [Tn+1 xn+1,...,Tn+k xn+k]) -> Future. |
| /// In any case where Ti, 1 <= i <= n + k, is not specified, it is considered |
| /// to have been specified as dynamic. |
| /// @description Checks that it is a compile error warning if a function literal |
| /// of the form (T1 a1,...,Tn an, [Tn+1 xn+1 = d1,...,Tn+k xn+k = dk]) async {s} |
| /// with two parameters is assigned to a variable of a function type with two |
| /// parameters that do not correspond to function literal parameters. |
| /// @author ngl@unipro.ru |
| |
| |
| import 'dart:async'; |
| |
| typedef Future futureFuncParam(int p1, [int? p2]); |
| |
| main() { |
| futureFuncParam ffp1 = (int p1, [int? p2]) async { return 5; }; |
| ffp1 = (bool p1, [int? p2]) async { return 1; }; |
| // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_ASSIGNMENT |
| // [cfe] A value of type 'Future<int> Function(bool, [int?])' can't be assigned to a variable of type 'Future<dynamic> Function(int, [int?])'. |
| } |