Language/Expressions/Function_Expressions/static_type_form_3_asyncs_t02.dart

// 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}) -> Stream.
/// 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 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 the function literal parameters.
/// @author ngl@unipro.ru


import 'dart:async';

typedef Stream streamFuncParam(int p1, {bool p2});

main() {
  streamFuncParam sfp1 = (int p1, {bool? p2}) async* {};
  sfp1 = (int p1, {int? p2}) async* {};
//      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified


  sfp1(2);
}