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author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/smart_ptr/detail/sp_convertible.hpp | |
download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
Import.
Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/sp_convertible.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/detail/sp_convertible.hpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/smart_ptr/detail/sp_convertible.hpp b/3rdParty/Boost/boost/smart_ptr/detail/sp_convertible.hpp new file mode 100644 index 0000000..7d9502d --- /dev/null +++ b/3rdParty/Boost/boost/smart_ptr/detail/sp_convertible.hpp @@ -0,0 +1,76 @@ +#ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED +#define BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED + +// MS compatible compilers support #pragma once + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma once +#endif + +// detail/sp_convertible.hpp +// +// Copyright 2008 Peter Dimov +// +// 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 + +#include <boost/config.hpp> + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( BOOST_NO_SFINAE ) +# define BOOST_SP_NO_SP_CONVERTIBLE +#endif + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ < 303 ) +# define BOOST_SP_NO_SP_CONVERTIBLE +#endif + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __BORLANDC__ ) && ( __BORLANDC__ <= 0x610 ) +# define BOOST_SP_NO_SP_CONVERTIBLE +#endif + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) + +namespace boost +{ + +namespace detail +{ + +template< class Y, class T > struct sp_convertible +{ + typedef char (&yes) [1]; + typedef char (&no) [2]; + + static yes f( T* ); + static no f( ... ); + + enum _vt { value = sizeof( f( (Y*)0 ) ) == sizeof(yes) }; +}; + +struct sp_empty +{ +}; + +template< bool > struct sp_enable_if_convertible_impl; + +template<> struct sp_enable_if_convertible_impl<true> +{ + typedef sp_empty type; +}; + +template<> struct sp_enable_if_convertible_impl<false> +{ +}; + +template< class Y, class T > struct sp_enable_if_convertible: public sp_enable_if_convertible_impl< sp_convertible< Y, T >::value > +{ +}; + +} // namespace detail + +} // namespace boost + +#endif // !defined( BOOST_SP_NO_SP_CONVERTIBLE ) + +#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED |