burke · February 22, 2009 07:10
diff --git a/gistfile1.rb b/gistfile1.rb
 def Y 
  lambda { |f| f.call(f) }.call( 
    lambda do |g| 
      yield(lambda { |*n| g.call(g).call(*n) }) 
    end) 
 end 
 
 Y { |this| lambda { |n| n == 0 ? 1 : n * this.call(n - 1) } }.call(12) 
 #=> 479001600
	def Y
	lambda { \|f\| f.call(f) }.call(
	lambda do \|g\|
	yield(lambda { \|n\| g.call(g).call(n) })
	end)
	end

	Y { \|this\| lambda { \|n\| n == 0 ? 1 : n * this.call(n - 1) } }.call(12)
	#=> 479001600