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32 lines
895 B
C++
32 lines
895 B
C++
// Copyright David Abrahams 2003. Permission to copy, use,
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// modify, sell and distribute this software is granted provided this
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// copyright notice appears in all copies. This software is provided
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// "as is" without express or implied warranty, and with no claim as
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// to its suitability for any purpose.
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#ifndef STATIC_ASSERT_SAME_DWA2003530_HPP
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# define STATIC_ASSERT_SAME_DWA2003530_HPP
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# include <boost/type.hpp>
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <class T, class U>
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struct static_assert_same;
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template <class T>
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struct static_assert_same<T,T>
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{
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enum { value = 1 };
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};
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#else
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# include <boost/mpl/if.hpp>
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# include <boost/mpl/bool.hpp>
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# include <boost/type_traits/is_same.hpp>
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template <class T, class U>
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struct static_assert_same
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: boost::mpl::if_<boost::is_same<T,U>,boost::mpl::true_,void>::type
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{};
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#endif
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#endif // STATIC_ASSERT_SAME_DWA2003530_HPP
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