typeop4.hpp

C++ Templates 完全导引范例

/* The following code example is taken from the book
 * "C++ Templates - The Complete Guide"
 * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
 *
 * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
template<>
class TypeOp <void> {     // full specialization for void
  public:
    typedef void       ArgT;
    typedef void       BareT;
    typedef void const ConstT;
    typedef void       RefT;
    typedef void       RefBareT;
    typedef void       RefConstT;
};