Fizz Buzz

fizz_buzz.rb

class Fixnum

  def fizz_buzz?
    self.fizz? and self.buzz?
  end

  def fizz?
    self % 3 == 0
  end

  def buzz?
    self % 5 == 0
  end
end

i = 100

while i > 0
  case
  when i.fizz_buzz?
    puts "FizzBuzz"
  when i.fizz?
    puts "Fizz"
  when i.buzz?
    puts "Buzz"
  else
    puts i
  end
  i -= 1
end