First half of LWG#2354: 'Unnecessary copying when inserting into maps with braced-init syntax'
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@256859 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__tree b/include/__tree
index cb58a90..94565bc 100644
--- a/include/__tree
+++ b/include/__tree
@@ -909,6 +909,13 @@
iterator __insert_multi(const value_type& __v);
iterator __insert_multi(const_iterator __p, const value_type& __v);
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+ pair<iterator, bool> __insert_unique( value_type&& __v);
+ iterator __insert_unique(const_iterator __p, value_type&& __v);
+ iterator __insert_multi( value_type&& __v);
+ iterator __insert_multi(const_iterator __p, value_type&& __v);
+#endif
+
pair<iterator, bool> __node_insert_unique(__node_pointer __nd);
iterator __node_insert_unique(const_iterator __p,
__node_pointer __nd);
@@ -1730,6 +1737,28 @@
#endif // _LIBCPP_HAS_NO_VARIADICS
template <class _Tp, class _Compare, class _Allocator>
+pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
+__tree<_Tp, _Compare, _Allocator>::__insert_unique(value_type&& __v)
+{
+ __node_holder __h = __construct_node(_VSTD::forward<value_type>(__v));
+ pair<iterator, bool> __r = __node_insert_unique(__h.get());
+ if (__r.second)
+ __h.release();
+ return __r;
+}
+
+template <class _Tp, class _Compare, class _Allocator>
+typename __tree<_Tp, _Compare, _Allocator>::iterator
+__tree<_Tp, _Compare, _Allocator>::__insert_unique(const_iterator __p, value_type&& __v)
+{
+ __node_holder __h = __construct_node(_VSTD::forward<value_type>(__v));
+ iterator __r = __node_insert_unique(__p, __h.get());
+ if (__r.__ptr_ == __h.get())
+ __h.release();
+ return __r;
+}
+
+template <class _Tp, class _Compare, class _Allocator>
template <class _Vp>
pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
__tree<_Tp, _Compare, _Allocator>::__insert_unique(_Vp&& __v)
@@ -1754,6 +1783,28 @@
}
template <class _Tp, class _Compare, class _Allocator>
+typename __tree<_Tp, _Compare, _Allocator>::iterator
+__tree<_Tp, _Compare, _Allocator>::__insert_multi(value_type&& __v)
+{
+ __node_base_pointer __parent;
+ __node_base_pointer& __child = __find_leaf_high(__parent, __v);
+ __node_holder __h = __construct_node(_VSTD::forward<value_type>(__v));
+ __insert_node_at(__parent, __child, static_cast<__node_base_pointer>(__h.get()));
+ return iterator(__h.release());
+}
+
+template <class _Tp, class _Compare, class _Allocator>
+typename __tree<_Tp, _Compare, _Allocator>::iterator
+__tree<_Tp, _Compare, _Allocator>::__insert_multi(const_iterator __p, value_type&& __v)
+{
+ __node_base_pointer __parent;
+ __node_base_pointer& __child = __find_leaf(__p, __parent, __v);
+ __node_holder __h = __construct_node(_VSTD::forward<value_type>(__v));
+ __insert_node_at(__parent, __child, static_cast<__node_base_pointer>(__h.get()));
+ return iterator(__h.release());
+}
+
+template <class _Tp, class _Compare, class _Allocator>
template <class _Vp>
typename __tree<_Tp, _Compare, _Allocator>::iterator
__tree<_Tp, _Compare, _Allocator>::__insert_multi(_Vp&& __v)