forked from boostorg/fusion
[transform_view_ext] Unary transform_view is an Associative Sequence now
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@@ -0,0 +1,66 @@
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/*=============================================================================
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Copyright (c) 2022 Denis Mikhailov
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_FUSION_TRANSFORM_VIEW_DEREF_DATA_IMPL_JAN_9_2022_0354PM)
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#define BOOST_FUSION_TRANSFORM_VIEW_DEREF_DATA_IMPL_JAN_9_2022_0354PM
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/iterator/deref.hpp>
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#include <boost/mpl/if.hpp>
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namespace boost { namespace fusion
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{
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struct transform_view_iterator_tag;
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struct transform_view_iterator2_tag;
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namespace extension
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{
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template<typename Tag>
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struct deref_data_impl;
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// Unary Version
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template<>
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struct deref_data_impl<transform_view_iterator_tag>
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{
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template <typename Iterator>
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struct apply
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{
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typedef typename
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result_of::deref<typename Iterator::first_type>::type
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value_type;
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typedef typename Iterator::transform_type F;
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typedef typename boost::result_of<F(value_type)>::type transformed_type;
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typedef typename boost::remove_reference<transformed_type>::type transformed_type_unref;
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typedef typename boost::remove_const<transformed_type_unref>::type transformed_type_unconst;
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typedef typename transformed_type_unconst::second_type raw_type;
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typedef typename
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boost::mpl::if_<
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is_reference<transformed_type>
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, typename boost::mpl::if_<
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is_const<transformed_type_unref>
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, typename boost::add_reference<typename boost::add_const<raw_type>::type>::type
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, typename boost::add_reference<raw_type>::type
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>::type
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, raw_type
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>::type
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type;
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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static type
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call(Iterator const& i)
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{
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return i.f(fusion::deref(i.first)).second;
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}
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};
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};
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// Binary Version is not supported with Associative Sequence
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}
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}}
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#endif
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@@ -0,0 +1,47 @@
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/*=============================================================================
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Copyright (c) 2022 Denis Mikhailov
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_FUSION_TRANSFORM_VIEW_KEY_OF_IMPL_JAN_9_2022_0354PM)
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#define BOOST_FUSION_TRANSFORM_VIEW_KEY_OF_IMPL_JAN_9_2022_0354PM
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/iterator/deref.hpp>
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#include <boost/utility/result_of.hpp>
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namespace boost { namespace fusion
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{
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struct transform_view_iterator_tag;
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struct transform_view_iterator2_tag;
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namespace extension
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{
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template<typename Tag>
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struct key_of_impl;
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// Unary Version
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template<>
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struct key_of_impl<transform_view_iterator_tag>
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{
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template <typename Iterator>
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struct apply
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{
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typedef typename
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result_of::deref<typename Iterator::first_type>::type
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value_type;
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typedef typename Iterator::transform_type F;
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typedef typename boost::result_of<F(value_type)>::type transformed_type;
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typedef typename boost::remove_reference<transformed_type>::type transformed_type_unref;
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typedef typename boost::remove_const<transformed_type_unref>::type transformed_type_unconst;
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typedef typename transformed_type_unconst::first_type type;
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};
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};
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// Binary Version is not supported with Associative Sequence
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}
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}}
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#endif
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@@ -0,0 +1,47 @@
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/*=============================================================================
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Copyright (c) 2022 Denis Mikhailov
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_FUSION_TRANSFORM_VIEW_VALUE_OF_IMPL_JAN_9_2022_0354PM)
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#define BOOST_FUSION_TRANSFORM_VIEW_VALUE_OF_IMPL_JAN_9_2022_0354PM
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/iterator/deref.hpp>
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#include <boost/utility/result_of.hpp>
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namespace boost { namespace fusion
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{
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struct transform_view_iterator_tag;
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struct transform_view_iterator2_tag;
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namespace extension
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{
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template<typename Tag>
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struct value_of_data_impl;
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// Unary Version
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template<>
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struct value_of_data_impl<transform_view_iterator_tag>
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{
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template <typename Iterator>
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struct apply
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{
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typedef typename
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result_of::deref<typename Iterator::first_type>::type
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value_type;
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typedef typename Iterator::transform_type F;
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typedef typename boost::result_of<F(value_type)>::type transformed_type;
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typedef typename boost::remove_reference<transformed_type>::type transformed_type_unref;
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typedef typename boost::remove_const<transformed_type_unref>::type transformed_type_unconst;
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typedef typename transformed_type_unconst::second_type type;
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};
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};
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// Binary Version is not supported with Associative Sequence
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}
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}}
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#endif
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@@ -19,6 +19,9 @@
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#include <boost/fusion/view/transform_view/detail/advance_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/distance_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/equal_to_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/key_of_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/value_of_data_impl.hpp>
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#include <boost/fusion/view/transform_view/detail/deref_data_impl.hpp>
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namespace boost { namespace fusion
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{
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