buckets

buckets.rb

# breaks array to buckets delimited by a specified item
def buckets array, &block
	buckets = []
	while true
		cur = array.find_index &block
		buckets << array unless cur
		break unless cur
		buckets << array[0...cur] if cur > 0
		array = array.drop(cur+1)
	end
	buckets
end