struct
SetIterator
<
Element
:
Hashable
>
Inheritance |
CustomReflectable, IteratorProtocol
View Protocol Hierarchy →
|
---|---|
Import |
|
Instance Variables
Instance Methods
Advances to the next element and returns it, or nil
if no next element
exists.
Once nil
has been returned, all subsequent calls return nil
.
Declaration
mutating
func
next
() -
>
Element
?
An iterator over the members of a
Set<Element>
.