Class: Integer

Inherits:
Object
  • Object
show all
Defined in:
lib/ms_abundance_sim.rb

Instance Method Summary collapse

Instance Method Details

#factorial ⇒ Object 



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# File 'lib/ms_abundance_sim.rb', line 23

def factorial
  # https://www.rosettacode.org/wiki/Factorial#Ruby (fastest and most concise)
  (2..self).reduce(1, :*)
end