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Size: 521 Bytes
Versions: 22
Compression:
Stored size: 521 Bytes
Contents
module MoreCoreExtensions
module ArrayRandom
#
# Picks a valid index randomly
#
# [1, 2, 3, 4, 2, 4].random_index # => random number between 0..5
def random_index
case self.size
when 0; nil
when 1; 0
else rand(0...self.size)
end
end
#
# Picks an element randomly
#
# [1, 2, 3, 4, 2, 4].random_element # => random element in Array
def random_element
sample
end
end
end
Array.send(:include, MoreCoreExtensions::ArrayRandom)
Version data entries
22 entries across 22 versions & 1 rubygems