`<set>`

Defines the container class templates set and multiset and their supporting templates.

Requirements

Header: <set>

Namespace: std

Note

The <set> library also uses the #include <initializer_list> statement.

Set version	Multiset version	Description
operator!= (set)	operator!= (multiset)	Tests if the set or multiset object on the left side of the operator is not equal to the set or multiset object on the right side.
operator< (set)	operator< (multiset)	Tests if the set or multiset object on the left side of the operator is less than the set or multiset object on the right side.
operator<= (set)	operator<= (multiset)	Tests if the set or multiset object on the left side of the operator is less than or equal to the set or multiset object on the right side.
operator== (set)	operator== (multiset)	Tests if the set or multiset object on the left side of the operator is equal to the set or multiset object on the right side.
operator> (set)	operator> (multiset)	Tests if the set or multiset object on the left side of the operator is greater than the set or multiset object on the right side.
operator>= (set)	operator>= (multiset)	Tests if the set or multiset object on the left side of the operator is greater than or equal to the set or multiset object on the right side.

Set version	Multiset version	Description
swap	swap (multiset)	Exchanges the elements of two sets or multisets.

Name	Description
set Class	Used for the storage and retrieval of data from a collection in which the values of the elements contained are unique and serve as the key values according to which the data is automatically ordered.
multiset Class	Used for the storage and retrieval of data from a collection in which the values of the elements contained need not be unique and in which they serve as the key values according to which the data is automatically ordered.