| //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. |
| |
| //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 UUID_898984B4076411DD973EDFA055D89593 |
| #define UUID_898984B4076411DD973EDFA055D89593 |
| #if defined(__GNUC__) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
| #pragma GCC system_header |
| #endif |
| #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
| #pragma warning(push,1) |
| #endif |
| |
| #include <ostream> |
| |
| namespace |
| boost |
| { |
| namespace |
| to_string_detail |
| { |
| struct |
| partial_ordering_helper1 |
| { |
| template <class CharT,class Traits> |
| partial_ordering_helper1( std::basic_ostream<CharT,Traits> & ); |
| }; |
| |
| struct |
| partial_ordering_helper2 |
| { |
| template <class T> |
| partial_ordering_helper2( T const & ); |
| }; |
| |
| char operator<<( partial_ordering_helper1, partial_ordering_helper2 ); |
| |
| template <class T,class CharT,class Traits> |
| struct |
| is_output_streamable_impl |
| { |
| static std::basic_ostream<CharT,Traits> & f(); |
| static T const & g(); |
| enum e { value=1!=(sizeof(f()<<g())) }; |
| }; |
| } |
| |
| template <class T, class CharT=char, class Traits=std::char_traits<CharT> > |
| struct |
| is_output_streamable |
| { |
| enum e { value=to_string_detail::is_output_streamable_impl<T,CharT,Traits>::value }; |
| }; |
| } |
| |
| #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
| #pragma warning(pop) |
| #endif |
| #endif |