File Content: depth_first.rb module Psych module Visitors class DepthFirst < Psych::Visitors::Visitor def initialize block @block = block end private def nary o o.children.each { |x| visit x } @block.call o end alias :visit_Psych_Nodes_Stream :nary alias :visit_Psych_Nodes_Document :nary alias :visit_Psych_Nodes_Sequence :nary alias :visit_Psych_Nodes_Mapping :nary def terminal o @block.call o end alias :visit_Psych_Nodes_Scalar :terminal alias :visit_Psych_Nodes_Alias :terminal end end end Submit