// 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]) sync* {s} is
 * (T1,...,Tn, [Tn+1 xn+1,...,Tn+k xn+k]) -> Iterable.
 * 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]) sync* {s}
 * with two parameters is assigned to a variable of a function type with the
 * same parameters and Future return type.
 * @compile-error
 * @author ngl@unipro.ru
 */

import 'dart:async';

typedef Future iterFuncParam(int p1, [List? p2]);

main() {
  iterFuncParam ifp1 = (int p1, [List? p2]) sync* {};
}
