forked from boostorg/fusion
Merge remote-tracking branch 'official/develop' into fusion_adapters
Conflicts: test/sequence/adapt_struct.cpp
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@@ -42,12 +42,18 @@ namespace boost { namespace fusion
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struct boost_tuple_is_empty<tuples::tuple<> const> : mpl::true_ {};
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}
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template <typename Cons>
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struct boost_tuple_iterator_identity;
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template <typename Cons = tuples::null_type>
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struct boost_tuple_iterator
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: iterator_facade<boost_tuple_iterator<Cons>, forward_traversal_tag>
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{
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typedef Cons cons_type;
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typedef boost_tuple_iterator_identity<
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typename add_const<Cons>::type> identity;
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BOOST_FUSION_GPU_ENABLED
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explicit boost_tuple_iterator(Cons& in_cons)
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: cons(in_cons) {}
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@@ -98,7 +104,7 @@ namespace boost { namespace fusion
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return type(iter.cons.get_tail());
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}
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};
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template <typename I1, typename I2>
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struct distance;
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@@ -115,7 +121,7 @@ namespace boost { namespace fusion
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>::type
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>::type type;
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};
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template <typename I1, typename I2>
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struct distance
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{
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@@ -124,7 +130,7 @@ namespace boost { namespace fusion
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mpl::int_<0>,
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lazy_next_distance<I1, I2>
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>::type type;
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BOOST_FUSION_GPU_ENABLED
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static type
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call(I1 const&, I2 const&)
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@@ -133,6 +139,11 @@ namespace boost { namespace fusion
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}
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};
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template <typename I1, typename I2>
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struct equal_to
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: is_same<typename I1::identity, typename I2::identity>
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{};
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private:
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// silence MSVC warning C4512: assignment operator could not be generated
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boost_tuple_iterator& operator= (boost_tuple_iterator const&);
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@@ -144,6 +155,9 @@ namespace boost { namespace fusion
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{
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typedef Null cons_type;
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typedef boost_tuple_iterator_identity<
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typename add_const<Null>::type> identity;
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template <typename I1, typename I2>
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struct equal_to
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: mpl::or_<
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@@ -392,9 +392,9 @@
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typename boost_fusion_detail_It1::index \
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>::type type; \
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\
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BOOST_FUSION_GPU_ENABLED \
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static type call(boost_fusion_detail_It1 const& it1, \
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boost_fusion_detail_It2 const& it2) \
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BOOST_FUSION_GPU_ENABLED \
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static type call(boost_fusion_detail_It1 const& /* it1 */, \
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boost_fusion_detail_It2 const& /* it2 */) \
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{ \
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return type(); \
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} \
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