ossrv_pub/boost_apis/boost/implicit_cast.hpp
author andy simpson <andrews@symbian.org>
Tue, 15 Jun 2010 15:32:34 +0100
branchGCC_SURGE
changeset 35 f27f6b44bd0d
parent 0 e4d67989cc36
permissions -rw-r--r--
Bug 2971 GCCE fixes : "impossible constraint in 'asm'" fix ported over from CompilerCompatibility branch (see also Bug 1805)

// Copyright David Abrahams 2003.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef IMPLICIT_CAST_DWA200356_HPP
# define IMPLICIT_CAST_DWA200356_HPP

# include <boost/mpl/identity.hpp>

namespace boost {

// implementation originally suggested by C. Green in
// http://lists.boost.org/MailArchives/boost/msg00886.php

// The use of identity creates a non-deduced form, so that the
// explicit template argument must be supplied
template <typename T>
inline T implicit_cast (typename mpl::identity<T>::type x) {
    return x;
}

// incomplete return type now is here
//template <typename T>
//void implicit_cast (...);


} // namespace boost

#endif // IMPLICIT_CAST_DWA200356_HPP