/*
 * 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]) {s} is
 * (T1,...,Tn, [Tn+1 xn+1,...,Tn+k xn+k]) -> dynamic.
 * In any case where Ti, 1 <= i <= n + k, is not specified, it is considered
 * to have been specified as dynamic.
 * @description Checks that a compile error occurs when assigning a
 * function literal of the form
 * (T1 a1,...,Tn an, [Tn+1 xn+1 = d1,...,Tn+k xn+k = dk]) {s}
 * to a variable whose type is not a function type.
 * @compile-error
 * @author msyabro
 * @reviewer rodionov
 */

main() {
  bool b = (int x, int y, [double a, double b]) {var x = 0; ++x; return ++x;};
}
