Add deduction guides

2023-05-17 09:38:29 -07:00
parent fcf6fee0f6
commit bf06fa97e3
6 changed files with 106 additions and 36 deletions
@@ -795,6 +795,97 @@ namespace boost {
      return c.erase_if(pred);
    }

+#ifdef BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES
+
+    template <class InputIterator,
+      class Hash =
+        boost::hash<boost::unordered::detail::iter_key_t<InputIterator> >,
+      class Pred =
+        std::equal_to<boost::unordered::detail::iter_key_t<InputIterator> >,
+      class Allocator = std::allocator<
+        boost::unordered::detail::iter_to_alloc_t<InputIterator> >,
+      class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
+      class = boost::enable_if_t<detail::is_hash_v<Hash> >,
+      class = boost::enable_if_t<detail::is_pred_v<Pred> >,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(InputIterator, InputIterator,
+      std::size_t = boost::unordered::detail::foa::default_bucket_count,
+      Hash = Hash(), Pred = Pred(), Allocator = Allocator())
+      -> concurrent_flat_map<
+        boost::unordered::detail::iter_key_t<InputIterator>,
+        boost::unordered::detail::iter_val_t<InputIterator>, Hash, Pred,
+        Allocator>;
+
+    template <class Key, class T,
+      class Hash = boost::hash<boost::remove_const_t<Key> >,
+      class Pred = std::equal_to<boost::remove_const_t<Key> >,
+      class Allocator = std::allocator<std::pair<const Key, T> >,
+      class = boost::enable_if_t<detail::is_hash_v<Hash> >,
+      class = boost::enable_if_t<detail::is_pred_v<Pred> >,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(std::initializer_list<std::pair<Key, T> >,
+      std::size_t = boost::unordered::detail::foa::default_bucket_count,
+      Hash = Hash(), Pred = Pred(), Allocator = Allocator())
+      -> concurrent_flat_map<boost::remove_const_t<Key>, T, Hash, Pred,
+        Allocator>;
+
+    template <class InputIterator, class Allocator,
+      class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(InputIterator, InputIterator, std::size_t, Allocator)
+      -> concurrent_flat_map<
+        boost::unordered::detail::iter_key_t<InputIterator>,
+        boost::unordered::detail::iter_val_t<InputIterator>,
+        boost::hash<boost::unordered::detail::iter_key_t<InputIterator> >,
+        std::equal_to<boost::unordered::detail::iter_key_t<InputIterator> >,
+        Allocator>;
+
+    template <class InputIterator, class Allocator,
+      class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(InputIterator, InputIterator, Allocator)
+      -> concurrent_flat_map<
+        boost::unordered::detail::iter_key_t<InputIterator>,
+        boost::unordered::detail::iter_val_t<InputIterator>,
+        boost::hash<boost::unordered::detail::iter_key_t<InputIterator> >,
+        std::equal_to<boost::unordered::detail::iter_key_t<InputIterator> >,
+        Allocator>;
+
+    template <class InputIterator, class Hash, class Allocator,
+      class = boost::enable_if_t<detail::is_hash_v<Hash> >,
+      class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(
+      InputIterator, InputIterator, std::size_t, Hash, Allocator)
+      -> concurrent_flat_map<
+        boost::unordered::detail::iter_key_t<InputIterator>,
+        boost::unordered::detail::iter_val_t<InputIterator>, Hash,
+        std::equal_to<boost::unordered::detail::iter_key_t<InputIterator> >,
+        Allocator>;
+
+    template <class Key, class T, class Allocator,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(std::initializer_list<std::pair<Key, T> >, std::size_t,
+      Allocator) -> concurrent_flat_map<boost::remove_const_t<Key>, T,
+      boost::hash<boost::remove_const_t<Key> >,
+      std::equal_to<boost::remove_const_t<Key> >, Allocator>;
+
+    template <class Key, class T, class Allocator,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(std::initializer_list<std::pair<Key, T> >, Allocator)
+      -> concurrent_flat_map<boost::remove_const_t<Key>, T,
+        boost::hash<boost::remove_const_t<Key> >,
+        std::equal_to<boost::remove_const_t<Key> >, Allocator>;
+
+    template <class Key, class T, class Hash, class Allocator,
+      class = boost::enable_if_t<detail::is_hash_v<Hash> >,
+      class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
+    concurrent_flat_map(std::initializer_list<std::pair<Key, T> >, std::size_t,
+      Hash, Allocator) -> concurrent_flat_map<boost::remove_const_t<Key>, T,
+      Hash, std::equal_to<boost::remove_const_t<Key> >, Allocator>;
+
+#endif
+
  } // namespace unordered

  using unordered::concurrent_flat_map;