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git-svn-id: svn://bind10.isc.org/svn/bind10/branches/f2f200910@210 e5f2f494-b856-4b98-b285-d166d9295462
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
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//Distributed under the Boost Software License, Version 1.0. (See accompanying
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//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef UUID_898984B4076411DD973EDFA055D89593
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#define UUID_898984B4076411DD973EDFA055D89593
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#include <ostream>
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namespace
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boost
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{
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namespace
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to_string_detail
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{
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template <class T,class CharT,class Traits>
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char operator<<( std::basic_ostream<CharT,Traits> &, T const & );
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template <class T,class CharT,class Traits>
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struct
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is_output_streamable_impl
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{
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static std::basic_ostream<CharT,Traits> & f();
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static T const & g();
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enum e { value=1!=(sizeof(f()<<g())) };
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};
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}
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template <class T, class CharT=char, class Traits=std::char_traits<CharT> >
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struct
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is_output_streamable
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{
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enum e { value=to_string_detail::is_output_streamable_impl<T,CharT,Traits>::value };
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};
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}
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#endif
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