Method: Map.depth_first_each

Defined in:
lib/map.rb

.depth_first_each(enumerable, path = [], accum = [], &block) ⇒ Object

TODO - technically this returns only leaves so the name isn’t quite right. re-factor for 3.0



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# File 'lib/map.rb', line 1044

def Map.depth_first_each(enumerable, path = [], accum = [], &block)
  Map.pairs_for(enumerable) do |key, val|
    path.push(key)
    if((val.is_a?(Hash) or val.is_a?(Array)) and not val.empty?)
      Map.depth_first_each(val, path, accum)
    else
      accum << [path.dup, val]
    end
    path.pop()
  end
  if block
    accum.each{|keys, val| block.call(keys, val)}
  else
    accum
  end
end