Line data    Source code

       1             : // Copyright David Abrahams 2003.
       2             : // Distributed under the Boost Software License, Version 1.0. (See
       3             : // accompanying file LICENSE_1_0.txt or copy at
       4             : // http://www.boost.org/LICENSE_1_0.txt)
       5             : #ifndef IMPLICIT_CAST_DWA200356_HPP
       6             : # define IMPLICIT_CAST_DWA200356_HPP
       7             : 
       8             : namespace boost {
       9             : 
      10             : namespace detail {
      11             : 
      12             : template<class T> struct icast_identity
      13             : {
      14             :     typedef T type;
      15             : };
      16             : 
      17             : } // namespace detail
      18             : 
      19             : // implementation originally suggested by C. Green in
      20             : // http://lists.boost.org/MailArchives/boost/msg00886.php
      21             : 
      22             : // The use of identity creates a non-deduced form, so that the
      23             : // explicit template argument must be supplied
      24             : template <typename T>
      25           0 : inline T implicit_cast (typename boost::detail::icast_identity<T>::type x) {
      26             :     return x;
      27             : }
      28             : 
      29             : // incomplete return type now is here
      30             : //template <typename T>
      31             : //void implicit_cast (...);
      32             : 
      33             : } // namespace boost
      34             : 
      35             : 
      36             : #endif // IMPLICIT_CAST_DWA200356_HPP