forked from boostorg/mpl
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/transform_view.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_TRANSFORM_VIEW_HPP_INCLUDED
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#define BOOST_MPL_TRANSFORM_VIEW_HPP_INCLUDED
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#include "boost/mpl/begin_end.hpp"
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#include "boost/mpl/lambda.hpp"
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#include "boost/mpl/apply.hpp"
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#include "boost/mpl/aux_/void_spec.hpp"
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#include "boost/mpl/aux_/lambda_spec.hpp"
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namespace boost {
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namespace mpl {
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template< typename Iterator, typename F >
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struct transform_iter
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{
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typedef Iterator base;
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typedef typename base::category category;
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typedef transform_iter<typename base::next,F> next;
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typedef typename apply1<
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F
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, typename base::type
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>::type type;
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};
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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(F)
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>
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struct transform_view
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{
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struct tag;
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typedef transform_view type;
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typedef typename lambda<F>::type f_;
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typedef transform_iter< typename begin<Sequence>::type,f_ > begin;
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typedef transform_iter< typename end<Sequence>::type,f_ > end;
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};
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BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(2,transform_iter)
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BOOST_MPL_AUX_VOID_SPEC(2, transform_view)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_TRANSFORM_VIEW_HPP_INCLUDED
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