/*
 * 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 Functions include function declarations, methods, getters,
 * setters, constructors and function literals.
 * All functions have a signature and a body.
 * functionSignature:
 *   metadata returnType? identifier formalParameterList
 * ;
 * returnType: void | type
 * ;
 * functionBody:
 *   async? '=>' expression ';' | (async | async* | sync*)? block
 * ;
 * block:
 *   '{' statements '}'
 * ;
 *
 * @description Checks that angle brackets in return type must be balanced.
 *
 * @compile-error
 * @author kaigorodov
 */

main() {
  List<List<int>> f1() { return null; }
  List<List<int>>> f2() { return null; }

  f1();
  f2();
}
