// 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 A function literal is an object that encapsulates an executable
/// unit of code.
/// functionExpression:
///   formalParameterList functionExpressionBody
/// ;
/// @description Checks that various valid function literal invocation
/// expressions don't produce compile-time errors.
/// @author kaigorodov


abstract class I {}
class C implements I{}
typedef tf();

main() {
  () {}();
  (k) { return k; }(1);
  (() => 1)();
  ((C? x, y) => new C())(null, null);
  ((C? p1, tf? p2, [tf? p3]) => null)(null, null);
  ((C? p1, tf? p2, {tf? p3}) => null)(null, null);

  (tf? p1, tf? p2, [tf? p3]) => null;
  try {
    ((tf? p1, tf? p2, [tf? p3]) => null)(null, null);
  } catch (x) {}
}