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notepad-plus-plus/boostregex/boost/exception/detail/is_output_streamable.hpp

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//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 BOOST_EXCEPTION_898984B4076411DD973EDFA055D89593
#define BOOST_EXCEPTION_898984B4076411DD973EDFA055D89593
#include <ostream>
#ifndef BOOST_EXCEPTION_ENABLE_WARNINGS
#if defined(__GNUC__) && __GNUC__*100+__GNUC_MINOR__>301
#pragma GCC system_header
#endif
#ifdef __clang__
#pragma clang system_header
#endif
#ifdef _MSC_VER
#pragma warning(push,1)
#endif
#endif
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