jamierumbelow

module Math
  def self.factorial(f)
    f == 0 ? 1 : f * factorial(f - 1)
  end
end

# Or we can extend an instance of Fixnum so we can do 5.factorial :)
class Fixnum
  def factorial
    self == 0 ? 1 : self * (self - 1).factorial

jamierumbelow

module Math
  def self.factorial(f)
    f == 0 ? 1 : f * factorial(f - 1)
  end
end

jamierumbelow

Ruby Wins
by James CF

C#m G#m F#m A

Use a block to print your name,
Use equality to test the same,
Blocks and lambdas you can call,
Private methods, send from all.