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Slightly modified find_if_pred (and refactored into own header).
[SVN r20713]
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47
include/boost/mpl/aux_/find_if_pred.hpp
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47
include/boost/mpl/aux_/find_if_pred.hpp
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//-----------------------------------------------------------------------------
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// boost mpl/aux_/find_if_pred.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_AUX_FIND_IF_PRED_HPP_INCLUDED
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#define BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED
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#include "boost/mpl/aux_/iter_apply.hpp"
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#include "boost/mpl/apply.hpp"
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#include "boost/mpl/not.hpp"
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#include "boost/mpl/or.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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namespace aux {
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template< typename Predicate, typename LastIterator >
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struct find_if_pred
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{
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template< typename State, typename Iterator >
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struct apply
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{
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typedef not_< or_<
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is_same<Iterator,LastIterator>
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, aux::iter_apply1<Predicate,Iterator>
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> > type;
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};
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};
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} // namespace aux
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED
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@@ -17,25 +17,19 @@
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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/aux_/iter_fold_if_impl.hpp"
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#include "boost/mpl/aux_/iter_apply.hpp"
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#include "boost/mpl/or.hpp"
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#include "boost/mpl/not.hpp"
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#include "boost/mpl/begin_end.hpp"
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#include "boost/mpl/always.hpp"
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#include "boost/mpl/lambda.hpp"
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#include "boost/mpl/bind.hpp"
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#include "boost/mpl/apply.hpp"
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#include "boost/mpl/void.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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namespace aux {
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/*
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template< typename LastIterator >
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struct find_if_pred
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{
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@@ -51,7 +45,7 @@ struct find_if_pred
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> >::type type;
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};
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};
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*/
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} // namespace aux
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BOOST_MPL_AUX_AGLORITHM_NAMESPACE_BEGIN
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@@ -70,9 +64,9 @@ struct find_if
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public:
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typedef typename aux::iter_fold_if_impl<
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first_
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, pred_
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, void
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, mpl::arg<1>
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, aux::find_if_pred<last_>
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, aux::find_if_pred< pred_, last_ >
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, void
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, always<false_>
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>::iterator type;
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