Sha256: 1b67f9ce2eaceb48a457959a5cbaeeef5a296cbf52ee6bcec774aa4dbae25313
Contents?: true
Size: 522 Bytes
Versions: 24
Compression:
Stored size: 522 Bytes
Contents
unless Enumerable.method_defined? :take_last
module Enumerable
# Take the last n elements of an enumerable.
#
# @param n [Fixnum] the number of elements to take
# @return [Array] an array containing the requested elements
#
# @example
# [1, 2, 3].take_last(2) #=> [2, 3]
# [].take_last(5) #=> []
def take_last(n)
fail ArgumentError, 'attempt to take negative size' if n < 0
ary = to_a
return ary if n > ary.size
ary[(ary.size - n)..-1]
end
end
end
Version data entries
24 entries across 21 versions & 6 rubygems