Create an empty multiset. Optionally specify a comparator used to order keys contained in this object. If comparator is not supplied, a default-constructed object of the (template parameter) type COMPARATOR is used. Optionally specify the basicAllocator used to supply memory. If basicAllocator is not supplied, a default-constructed object of the (template parameter) type ALLOCATOR is used. If the type ALLOCATOR is bsl::allocator (the default), then basicAllocator, if supplied, shall be convertible to bslma::Allocator *. If the type ALLOCATOR is bsl::allocator and basicAllocator is not supplied, the currently installed default allocator is used.
Declared in <bslstl_multiset.h>
multiset();