forked from boostorg/mpl
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/contains.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2002
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// Eric Friedman
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#ifndef BOOST_MPL_CONTAINS_HPP_INCLUDED
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#define BOOST_MPL_CONTAINS_HPP_INCLUDED
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#include "boost/mpl/begin_end.hpp"
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#include "boost/mpl/find.hpp"
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#include "boost/mpl/logical/not.hpp"
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#include "boost/mpl/aux_/void_spec.hpp"
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#include "boost/mpl/aux_/lambda_support.hpp"
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#include "boost/type_traits/is_same.hpp"
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namespace boost {
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namespace mpl {
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template<
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typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence)
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, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(T)
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>
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struct contains
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: logical_not< is_same<
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typename find<Sequence,T>::type
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, typename end<Sequence>::type
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> >
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{
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2,contains,(Sequence,T))
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};
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BOOST_MPL_AUX_VOID_SPEC(2, contains)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_CONTAINS_HPP_INCLUDED
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