50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/fold.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) 2001-02
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// Aleksey Gurtovoy, David Abrahams
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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#ifndef BOOST_MPL_FOLD_HPP_INCLUDED
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#define BOOST_MPL_FOLD_HPP_INCLUDED
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#include "boost/mpl/begin_end.hpp"
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#include "boost/mpl/O1_size.hpp"
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#include "boost/mpl/lambda.hpp"
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#include "boost/mpl/aux_/fold_impl.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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template<
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typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence)
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, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(State)
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, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(ForwardOp)
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>
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struct fold
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{
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typedef typename aux::fold_impl<
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::boost::mpl::O1_size<Sequence>::value
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, typename begin<Sequence>::type
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, typename end<Sequence>::type
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, State
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, typename lambda<ForwardOp>::type
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>::state type;
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BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp))
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};
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BOOST_MPL_AUX_VOID_SPEC(3, fold)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_FOLD_HPP_INCLUDED
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