Functional Fizz Buzz in Ruby 2.0

func_fizzbuzz.rb

threes = ["", "", "fizz"].cycle.lazy
fives = ["", "", "", "", "buzz"].cycle.lazy

(1..Float::INFINITY).lazy.zip(threes, fives).map{|n,f,b| 
	if f.empty? && b.empty?
		return n
	elsif f.empty?
		return b
	else
		return [f,b].join
	end
}.take(30).to_a

# [1, 2, "fizz", 4, "buzz", "fizz", 7, 8, "fizz", "buzz", 11, "fizz", 13, 14, "fizzbuzz", 
# 16, 17, "fizz", 19, "buzz", "fizz", 22, 23, "fizz", "buzz", 26, "fizz", 28, 29, "fizzbuzz"]

from itertools import *                                                                                                                       

threes = cycle(chain(repeat('', 2), ['Fizz']))
fives = cycle(chain(repeat('', 4), ['Buzz']))

print [(fizz+buzz) or (i+1) for i, fizz, buzz in islice(izip(count(), threes, fives), 0, 30)]

winning

from fizzbuzz import *
nailed_it()