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annotate DEPENDENCIES/generic/include/boost/mpl/aux_/transform_iter.hpp @ 133:4acb5d8d80b6 tip

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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
rev   line source
Chris@16 1
Chris@16 2 #ifndef BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
Chris@16 3 #define BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
Chris@16 4
Chris@16 5 // Copyright Aleksey Gurtovoy 2000-2004
Chris@16 6 //
Chris@16 7 // Distributed under the Boost Software License, Version 1.0.
Chris@16 8 // (See accompanying file LICENSE_1_0.txt or copy at
Chris@16 9 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 10 //
Chris@16 11 // See http://www.boost.org/libs/mpl for documentation.
Chris@16 12
Chris@101 13 // $Id$
Chris@101 14 // $Date$
Chris@101 15 // $Revision$
Chris@16 16
Chris@16 17 #include <boost/mpl/apply.hpp>
Chris@16 18 #include <boost/mpl/iterator_tags.hpp>
Chris@16 19 #include <boost/mpl/next.hpp>
Chris@16 20 #include <boost/mpl/deref.hpp>
Chris@16 21 #include <boost/mpl/aux_/lambda_spec.hpp>
Chris@16 22 #include <boost/mpl/aux_/config/ctps.hpp>
Chris@16 23 #include <boost/type_traits/is_same.hpp>
Chris@16 24
Chris@16 25 namespace boost { namespace mpl {
Chris@16 26
Chris@16 27 namespace aux {
Chris@16 28
Chris@16 29 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16 30
Chris@16 31 template<
Chris@16 32 typename Iterator
Chris@16 33 , typename LastIterator
Chris@16 34 , typename F
Chris@16 35 >
Chris@16 36 struct transform_iter
Chris@16 37 {
Chris@16 38 typedef Iterator base;
Chris@16 39 typedef forward_iterator_tag category;
Chris@16 40 typedef transform_iter< typename mpl::next<base>::type,LastIterator,F > next;
Chris@16 41
Chris@16 42 typedef typename apply1<
Chris@16 43 F
Chris@16 44 , typename deref<base>::type
Chris@16 45 >::type type;
Chris@16 46 };
Chris@16 47
Chris@16 48 template<
Chris@16 49 typename LastIterator
Chris@16 50 , typename F
Chris@16 51 >
Chris@16 52 struct transform_iter< LastIterator,LastIterator,F >
Chris@16 53 {
Chris@16 54 typedef LastIterator base;
Chris@16 55 typedef forward_iterator_tag category;
Chris@16 56 };
Chris@16 57
Chris@16 58 #else
Chris@16 59
Chris@16 60 template<
Chris@16 61 typename Iterator
Chris@16 62 , typename LastIterator
Chris@16 63 , typename F
Chris@16 64 >
Chris@16 65 struct transform_iter;
Chris@16 66
Chris@16 67 template< bool >
Chris@16 68 struct transform_iter_impl
Chris@16 69 {
Chris@16 70 template<
Chris@16 71 typename Iterator
Chris@16 72 , typename LastIterator
Chris@16 73 , typename F
Chris@16 74 >
Chris@16 75 struct result_
Chris@16 76 {
Chris@16 77 typedef Iterator base;
Chris@16 78 typedef forward_iterator_tag category;
Chris@16 79 typedef transform_iter< typename mpl::next<Iterator>::type,LastIterator,F > next;
Chris@16 80
Chris@16 81 typedef typename apply1<
Chris@16 82 F
Chris@16 83 , typename deref<Iterator>::type
Chris@16 84 >::type type;
Chris@16 85 };
Chris@16 86 };
Chris@16 87
Chris@16 88 template<>
Chris@16 89 struct transform_iter_impl<true>
Chris@16 90 {
Chris@16 91 template<
Chris@16 92 typename Iterator
Chris@16 93 , typename LastIterator
Chris@16 94 , typename F
Chris@16 95 >
Chris@16 96 struct result_
Chris@16 97 {
Chris@16 98 typedef Iterator base;
Chris@16 99 typedef forward_iterator_tag category;
Chris@16 100 };
Chris@16 101 };
Chris@16 102
Chris@16 103 template<
Chris@16 104 typename Iterator
Chris@16 105 , typename LastIterator
Chris@16 106 , typename F
Chris@16 107 >
Chris@16 108 struct transform_iter
Chris@16 109 : transform_iter_impl<
Chris@16 110 ::boost::is_same<Iterator,LastIterator>::value
Chris@16 111 >::template result_< Iterator,LastIterator,F >
Chris@16 112 {
Chris@16 113 };
Chris@16 114
Chris@16 115 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16 116
Chris@16 117 } // namespace aux
Chris@16 118
Chris@16 119 BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(3, aux::transform_iter)
Chris@16 120
Chris@16 121 }}
Chris@16 122
Chris@16 123 #endif // BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED