source: XIOS/dev/dev_olga/src/extern/boost/include/boost/implicit_cast.hpp @ 1022

Last change on this file since 1022 was 1022, checked in by mhnguyen, 7 years ago
File size: 794 bytes
Line 
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
10namespace 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
17template <typename T>
18inline 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
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