Array.last

Signature

array.last            #=> object or nil
array.last(number)    #=> new_array

array.last returns the last element of array or it returns nil if
array is empty. array.last(number) returns the last number elements of
array or it returns an empty array if array is empty.

Examples

a = ["a", "b", "c", "d", "e", "f"]

a.last        #=> "f"
[].last       #=> nil

a.last(0)     #=> []
a.last(1)     #=> ["f"]
a.last(4)     #=> ["c", "d", "e", "f"]
a.last(99)    #=> ["a", "b", "c", "d", "e", "f"]
[].last(10)   #=> []

Documentation Reference

Ruby version 1.8.6

www.ruby-doc.org : Array.last