Language/Statements/Yield_and_Yield_Each/Yield_Each/syntax_t02.dart

// Copyright (c) 2016, 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 yield-each statement adds a series of values to the result
 * of a generator function.
 *  yieldEachStatement:
 *    yield* expression ‘;’
 *  ;
 *
 * @description Check correct usage of yield-each statement in synchronous
 * static generator method
 *
 * @author a.semenov@unipro.ru
 */
import '../../../../Utils/expect.dart';

class A {
  static List<int> e = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
  static Iterable<int> test() sync* {
    yield* e;
  }
}

main() {
  int k = 0;
  Iterator<int> i = A.test().iterator;
  while (i.moveNext()) {
    k++;
  }
  Expect.equals(10, k);
}