Assigns the contents of another concurrent_unordered_multimap object to this one. This method is not concurrency-safe.
concurrent_unordered_multimap& operator=(
   const concurrent_unordered_multimap& _Umap
);
concurrent_unordered_multimap& operator=(
   concurrent_unordered_multimap&& _Umap
);
Parameters
- _Umap
The source concurrent_unordered_multimap object. 
Return Value
A reference to this concurrent_unordered_multimap object.
Remarks
After erasing any existing elements in a concurrent unordered multimap, operator= either copies or moves the contents of _Umap into the concurrent unordered multimap.
Requirements
Header: concurrent_unordered_map.h
Namespace: concurrency