Create a multiset having the same value as that of the specified original object by moving (in constant time) the contents of original to the new multiset. Use a copy of original.key_comp() to order the keys contained in this multiset. The allocator associated with original is propagated for use in the newly-created multiset. original is left in a valid but unspecified state.
Declared in <bslstl_multiset.h>
multiset(BloombergLP::bslmf::MovableRef<multiset> original);