new

# File ext/psych/lib/psych/visitors/yaml_tree.rb, line 15
      def initialize options = {}, emitter = TreeBuilder.new, ss = ScalarScanner.new
        super()
        @started  = false
        @finished = false
        @emitter  = emitter
        @st       = {}
        @ss       = ss
        @options  = options
        @coders   = []

        @dispatch_cache = Hash.new do |h,klass|
          method = "visit_#{(klass.name || '').split('::').join('_')}"

          method = respond_to?(method) ? method : h[klass.superclass]

          raise(TypeError, "Can't dump #{target.class}") unless method

          h[klass] = method
        end
      end