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proc
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thread-self
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root
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opt
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alt
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ruby25
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lib64
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ruby
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2.5.0
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psych
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nodes
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files >> //proc/thread-self/root/opt/alt/ruby25/lib64/ruby/2.5.0/psych/nodes/node.rb
# frozen_string_literal: true require 'stringio' require 'psych/class_loader' require 'psych/scalar_scanner' module Psych module Nodes ### # The base class for any Node in a YAML parse tree. This class should # never be instantiated. class Node include Enumerable # The children of this node attr_reader :children # An associated tag attr_reader :tag # The line number where this node start attr_accessor :start_line # The column number where this node start attr_accessor :start_column # The line number where this node ends attr_accessor :end_line # The column number where this node ends attr_accessor :end_column # Create a new Psych::Nodes::Node def initialize @children = [] end ### # Iterate over each node in the tree. Yields each node to +block+ depth # first. def each &block return enum_for :each unless block_given? Visitors::DepthFirst.new(block).accept self end ### # Convert this node to Ruby. # # See also Psych::Visitors::ToRuby def to_ruby Visitors::ToRuby.create.accept(self) end alias :transform :to_ruby ### # Convert this node to YAML. # # See also Psych::Visitors::Emitter def yaml io = nil, options = {} real_io = io || StringIO.new(''.encode('utf-8')) Visitors::Emitter.new(real_io, options).accept self return real_io.string unless io io end alias :to_yaml :yaml end end end
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