Module: Math

Defined in:
lib/math/math.rb

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.factorial(n) ⇒ Object 



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# File 'lib/math/math.rb', line 2

def self.factorial(n)
  if n == 0
    1
  else
    n * factorial(n - 1)
  end
end