LanguageFeatures/Patterns/execution_pattern_for_statement_A01_t04.dart

// Copyright (c) 2023, 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 statement of the form:
///
/// for (<patternVariableDeclaration>; <condition>; <increment>) <statement>
///
/// Is executed like a traditional for loop though is more likely to declare
/// multiple variables.
///
/// @description Check that a pattern-for statement is executed like a
/// traditional for loop. Test a record pattern
/// @author sgrekhov22@gmail.com

import "../../Utils/expect.dart";

main() {
  String log = "";
  for (var (a, b) = (0, 1); a <= 13; (a, b) = (b, a + b)) {
    log += "$a;";
  }
  Expect.equals("0;1;1;2;3;5;8;13;", log);
}