/*
 * Copyright (c) 2020, 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 assigned is a boolean value indicating whether the variable has
 * definitely been assigned at the given point in the source code. When assigned
 * is true, we say that the variable is definitely assigned at that point.
 *
 * @description Checks definite assignment and for-in loop
 *
 * @author sgrekhov@unipro.ru
 */

main() {
  var collection = [3, 1, 4, 1, 5];
  int n;
  for (var v in collection) {
    n = 42;
  }
  n;  // It's an error to read local non-nullable variable when it is not definitely assigned
//^
// [analyzer] unspecified
// [cfe] unspecified
}