diff options
Diffstat (limited to 'contrib/src/boost/smart_ptr/detail/sp_convertible.hpp')
-rw-r--r-- | contrib/src/boost/smart_ptr/detail/sp_convertible.hpp | 184 |
1 files changed, 92 insertions, 92 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/sp_convertible.hpp b/contrib/src/boost/smart_ptr/detail/sp_convertible.hpp index 4bba9ed..cea7281 100644 --- a/contrib/src/boost/smart_ptr/detail/sp_convertible.hpp +++ b/contrib/src/boost/smart_ptr/detail/sp_convertible.hpp @@ -1,92 +1,92 @@ -#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> -#include <cstddef> - -#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__ < 0x630 ) -# 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)( static_cast<Y*>(0) ) ) == sizeof(yes) }; -}; - -template< class Y, class T > struct sp_convertible< Y, T[] > -{ - enum _vt { value = false }; -}; - -template< class Y, class T > struct sp_convertible< Y[], T[] > -{ - enum _vt { value = sp_convertible< Y[1], T[1] >::value }; -}; - -template< class Y, std::size_t N, class T > struct sp_convertible< Y[N], T[] > -{ - enum _vt { value = sp_convertible< Y[1], T[1] >::value }; -}; - -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 +#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>
+#include <cstddef>
+
+#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__ < 0x630 )
+# 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)( static_cast<Y*>(0) ) ) == sizeof(yes) };
+};
+
+template< class Y, class T > struct sp_convertible< Y, T[] >
+{
+ enum _vt { value = false };
+};
+
+template< class Y, class T > struct sp_convertible< Y[], T[] >
+{
+ enum _vt { value = sp_convertible< Y[1], T[1] >::value };
+};
+
+template< class Y, std::size_t N, class T > struct sp_convertible< Y[N], T[] >
+{
+ enum _vt { value = sp_convertible< Y[1], T[1] >::value };
+};
+
+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
|