// 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 => e is
/// (T1,...,Tn, {Tn+1 xn+1,...,Tn+k xn+k }) -> Future<flatten(T0)>, where T0 is
/// the static type of e.
/// 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 => e,
/// where the type of e is bool is assigned to a variable of a function type
/// with a Future<int> return type.
/// @author ngl@unipro.ru


import 'dart:async';

typedef Future<int> boolFuncParam(bool p1, {bool? p2});

main() {
  boolFuncParam bfp = (bool p1, {bool? p2}) async => false;
//                                                   ^
// [analyzer] unspecified
// [cfe] unspecified
}
