Language/Statements/Yield_and_Yield_Each/Yield_Each/syntax_t03.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
/// generator method
///
/// @author a.semenov@unipro.ru

import '../../../../Utils/expect.dart';

class A {
  Iterable<int> test() sync* {
    yield* 'abcdefghij'.codeUnits;
  }
}

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