class Set < Object
Create a new set, using the passed array as an intial set of elements
|array||an array of initial elements, each passed as a separate parameter.|
An alias for Set.new
Add a new element to a Set.
Returns: the new element.
= is an alias for store.
Remove all the items from the set.
Call the given block for every element in the Set.
Returns: the last value from the last call to yield.
Remove an element from a Set.
has_key? is an alias for has?.
& is an alias for intersect.
| is an alias for union.