<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.

Members

Operators

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.

Specialized Template Functions

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

Classes

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.

See also

Header Files Reference
Thread Safety in the C++ Standard Library
C++ Standard Library Reference