Mercurial > hg > vamp-build-and-test
comparison DEPENDENCIES/generic/include/boost/implicit_cast.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
parents | |
children | c530137014c0 |
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15:663ca0da4350 | 16:2665513ce2d3 |
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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 # include <boost/mpl/identity.hpp> | |
9 | |
10 namespace boost { | |
11 | |
12 // implementation originally suggested by C. Green in | |
13 // http://lists.boost.org/MailArchives/boost/msg00886.php | |
14 | |
15 // The use of identity creates a non-deduced form, so that the | |
16 // explicit template argument must be supplied | |
17 template <typename T> | |
18 inline T implicit_cast (typename mpl::identity<T>::type x) { | |
19 return x; | |
20 } | |
21 | |
22 // incomplete return type now is here | |
23 //template <typename T> | |
24 //void implicit_cast (...); | |
25 | |
26 } // namespace boost | |
27 | |
28 | |
29 #endif // IMPLICIT_CAST_DWA200356_HPP |