Module: Knj::Rand

Defined in:
lib/knj/rand.rb

Class Method Summary collapse

Class Method Details

.array(arr) ⇒ Object 



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# File 'lib/knj/rand.rb', line 6

def self.array(arr)
  key = rand(arr.length)
  return arr[key]
end

.range(first, last) ⇒ Object 



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# File 'lib/knj/rand.rb', line 2

def self.range(first, last)
  return first.to_i + rand(last.to_i - first.to_i)
end