class Numeric
Public Instance Methods
fact()
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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
# 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