The C++ Set is an associative container that contains a sorted set of unique objects.

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Container constructors & destructors	default methods to allocate, copy, and deallocate sets
Container operators	assign and compare sets
begin	returns an iterator to the beginning of the set
clear	removes all elements from the set
count	returns the number of elements matching a certain key
empty	true if the set has no elements
end	returns an iterator just past the last element of a set
equal_range	returns iterators to the first and just past the last elements matching a specific key
erase	removes elements from a set
find	returns an iterator to specific elements
insert	insert items into a set
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 set can hold
rbegin	returns a reverse_iterator to the end of the set
rend	returns a reverse_iterator to the beginning of the set
size	returns the number of items in the set
swap	swap the contents of this set with another
upper_bound	returns an iterator to the first element greater than a certain value
value_comp	returns the function that compares values