Simplification of Iterator#each_with_level

[cryptogopher]

It looks to me that the code of each_with_level

awesome_nested_set/lib/awesome_nested_set/iterator.rb

Lines 11 to 25 in d820bc6

	def each_with_level
	path = [nil]
	objects.each do |o|
	if o.parent_id != path.last
	# we are on a new level, did we descend or ascend?
	if path.include?(o.parent_id)
	# remove wrong tailing paths elements
	path.pop while path.last != o.parent_id
	else
	path << o.parent_id
	end
	end
	yield(o, path.length - 1)
	end
	end

can be simplified to that:

 def each_with_level 
   path = [nil] 
   objects.each do |o| 
     path[path.rindex(o.parent)+1..-1] = o 
     yield(o, path.length - 1) 
   end 
 end 

[stale]

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