Language/12_Expressions/20_Logical_Boolean_Expressions_A01_t15.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 The logical boolean expressions combine boolean objects using the boolean
 * conjunction and disjunction operators.
 * logicalOrExpression:
 *   logicalAndExpression ('||' logicalAndExpression)*
 * ;
 * logicalAndExpression:
 *   equalityExpression ('&&' equalityExpression)*
 * ;
 * A logical boolean expression is either an equality expression, or an
 * invocation of a logical boolean operator on an expression e1 with argument e2.
 * @description Checks that a type parameter can be used as
 * the second operand in a logical boolean expression without a compile error.
 * @static-warning
 * @author msyabro
 * @reviewer kaigorodov
 */

class A<T> {
  test() {
    try {
      true || T; /// static type warning - undefined operator or incompatible argument type
    } catch(e) {}
  }
}

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