Class: Numeric

Inherits:
Object show all
Defined in:
lib/extract.rb

Instance Method Summary collapse

Instance Method Details

#fact ⇒ Object 



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# File 'lib/extract.rb', line 20

def fact
  return 1 if self == 0
  return self if self <= 2
  self.to_i * (self.to_i-1).fact
end