=====C++ Multisets=====

C++ Multisets are like sets, in that they are associative containers containing
a sorted set of objects, but differ in that they allow duplicate objects.

|[[multiset_constructors]]|default methods to allocate, copy, and deallocate multisets|
|[[multiset_operators]]|assign and compare multisets|
|[[begin]]|returns an iterator to the beginning of the multiset|
|[[clear]]|removes all elements from the multiset|
|[[count]]|returns the number of elements matching a certain key|
|[[empty]]|true if the multiset has no elements|
|[[end]]|returns an iterator just past the last element of a multiset|
|[[equal_range]]|returns iterators to the first and just past the last elements matching a specific key|
|[[erase]]|removes elements from a multiset|
|[[find]]|returns an iterator to specific elements|
|[[insert]]|inserts items into a multiset|
|[[key_comp]]|returns the function that compares keys|
|[[lower_bound]]|returns an iterator to the first element greater than or equal to a certain value|
|[[max_size]]|returns the maximum number of elements that the multiset can hold|
|[[rbegin]]|returns a reverse_iterator to the end of the multiset|
|[[rend]]|returns a reverse_iterator to the beginning of the multiset|
|[[size]]|returns the number of items in the multiset|
|[[swap]]|swap the contents of this multiset with another|
|[[upper_bound]]|returns an iterator to the first element greater than a certain value|
|[[value_comp]]|returns the function that compares values|