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76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
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#ifndef BOOST_MPL_PRINT_HPP_INCLUDED
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#define BOOST_MPL_PRINT_HPP_INCLUDED
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// Copyright David Abrahams 2003
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// Copyright Aleksey Gurtovoy 2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/aux_/config/msvc.hpp>
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#include <boost/mpl/identity.hpp>
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namespace boost { namespace mpl {
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namespace aux {
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#if defined(BOOST_MSVC)
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# pragma warning(push, 3)
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// we only want one warning from MSVC, so turn off the other one
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# pragma warning(disable: 4307)
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#elif defined(__MWERKS__)
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# pragma warn_hidevirtual on
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struct print_base { virtual void f() {} };
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#endif
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#if defined(__EDG_VERSION__)
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template <class T>
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struct dependent_unsigned
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{
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static const unsigned value = 1;
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};
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#endif
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} // namespace aux
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template <class T>
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struct print
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: mpl::identity<T>
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#if defined(__MWERKS__)
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, aux::print_base
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#endif
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{
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#if defined(__clang__)
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const int m_x = 1 / (sizeof(T) - sizeof(T));
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#elif defined(BOOST_MSVC)
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enum { n = sizeof(T) + -1 };
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#elif defined(__MWERKS__)
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void f(int);
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#else
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enum {
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n =
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# if defined(__EDG_VERSION__)
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aux::dependent_unsigned<T>::value > -1
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# else
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sizeof(T) > -1
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# endif
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};
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#endif
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};
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#if defined(BOOST_MSVC)
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# pragma warning(pop)
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#elif defined(__MWERKS__)
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# pragma warn_hidevirtual reset
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#endif
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}}
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#endif // BOOST_MPL_PRINT_HPP_INCLUDED
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