| 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 | 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 |
|---|
| 37 | |
|---|
