module Phlex::Collection

def yield_items
	if @item
		raise ArgumentError, "You can only yield_items when rendering a collection. You are currently rendering an item."
	end
	@collection.each_with_index do |item, index|
		@item = item
		@index = index
		@position = (index + 1)
		@first = (index == 0)
		@last = (@position == @collection.size)
		item_template
	end
	@item = nil
	@index = nil
	@first = nil
	@last = nil
	@position = nil
end