forked from boostorg/mpl
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/find_if.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) 2000-02
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// Aleksey Gurtovoy
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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_FIND_IF_HPP_INCLUDED
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#define BOOST_MPL_FIND_IF_HPP_INCLUDED
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#include "boost/mpl/aux_/find_if_pred.hpp"
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#include "boost/mpl/arg.hpp"
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#include "boost/mpl/lambda.hpp"
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#include "boost/mpl/iter_fold_if.hpp"
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#include "boost/mpl/protect.hpp"
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#include "boost/mpl/aux_/common_name_wknd.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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namespace boost {
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namespace mpl {
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BOOST_MPL_AUX_COMMON_NAME_WKND(find_if)
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BOOST_MPL_AUX_AGLORITHM_NAMESPACE_BEGIN
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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(Predicate)
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>
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struct find_if
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{
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private:
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typedef typename lambda<Predicate>::type pred_;
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typedef typename iter_fold_if<
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Sequence
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, void
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, protect< arg<1> > // ignore
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, protect< aux::find_if_pred<pred_> >
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>::type result_;
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public:
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typedef typename result_::second type;
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2,find_if,(Sequence,Predicate))
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};
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BOOST_MPL_AUX_AGLORITHM_NAMESPACE_END
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BOOST_MPL_AUX_ALGORITHM_VOID_SPEC(2,find_if)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_FIND_IF_HPP_INCLUDED
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