Language/Expressions/Equality/syntax_t23.dart

// 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 Equality expressions test objects for equality.
 * equalityExpression:
 *   relationalExpression (equalityOperator relationalExpression)? |
 *   super equalityOperator relationalExpression
 * ;
 * equalityOperator:
 *   '==' |
 *   '!='
 * ;
 * An equality expression is either a relational expression, or an invocation of
 * an equality operator on either super or an expression e1, with argument e2.
 * @description Checks that a type parameter can be used as the first operand
 * in an equality expression without a compile error.
 * @author msyabro
 */

class A<T> {
  test() {
    try { T == 1; } catch (e) {}
  }
}

main() {
  A<double> a = new A<double>();
  a.test();
}