//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_7E48761AD92811DC9011477D56D89593 #define UUID_7E48761AD92811DC9011477D56D89593 #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 <boost/utility/enable_if.hpp> #include <boost/exception/detail/is_output_streamable.hpp> #include <sstream> namespace boost { namespace to_string_detail { template <class T> typename disable_if<is_output_streamable<T>,char>::type to_string( T const & ); template <class,bool IsOutputStreamable> struct has_to_string_impl; template <class T> struct has_to_string_impl<T,true> { enum e { value=1 }; }; template <class T> struct has_to_string_impl<T,false> { static T const & f(); enum e { value=1!=sizeof(to_string(f())) }; }; } template <class T> inline typename enable_if<is_output_streamable<T>,std::string>::type to_string( T const & x ) { std::ostringstream out; out << x; return out.str(); } template <class T> struct has_to_string { enum e { value=to_string_detail::has_to_string_impl<T,is_output_streamable<T>::value>::value }; }; template <class T,class U> inline std::string to_string( std::pair<T,U> const & x ) { return std::string("(") + to_string(x.first) + ',' + to_string(x.second) + ')'; } inline std::string to_string( std::exception const & x ) { return x.what(); } } #if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) #pragma warning(pop) #endif #endif