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Contents
# Extends the Array class with a function used to randomly choose elements. Note that if you are using Rails, ActiveSupport recently was updated to include a similar
# function. This code checks for the presence of that method and does not try to replace it. They work the same though so no worries.
module RandomData
module ArrayRandomizer
# Randomly chooses an element from an array
# >> [1,2,3].rand = 3
# [].rand = nil
def rand
return self[Kernel.rand(self.size)]
end
end
end
unless Array.respond_to?(:rand)
Array.send :include, RandomData::ArrayRandomizer
end
Version data entries
7 entries across 7 versions & 1 rubygems