Type Method

set

Creates and returns an empty set.

Declaration

+ (instancetype)set;

Return Value

A new empty set.

Discussion

This method is declared primarily for the use of mutable subclasses of NSSet.

See Also

Creating a Set

+ setWithArray:

Creates and returns a set containing a uniqued collection of the objects contained in a given array.

+ setWithObject:

Creates and returns a set that contains a single given object.

+ setWithObjects:

Creates and returns a set containing the objects in a given argument list.

+ setWithObjects:count:

Creates and returns a set containing a specified number of objects from a given C array of objects.

+ setWithSet:

Creates and returns a set containing the objects from another set.

- setByAddingObject:

Returns a new set formed by adding a given object to the receiving set.

- setByAddingObjectsFromSet:

Returns a new set formed by adding the objects in a given set to the receiving set.

- setByAddingObjectsFromArray:

Returns a new set formed by adding the objects in a given array to the receiving set.

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