class RDoc::RubyToken::TkOPASGN

def ==(other)
  self.class == other.class and
  other.line_no == @line_no and
  other.char_no == @char_no and
  other.op == @op
end

def initialize(seek, line_no, char_no, op)
  super(seek, line_no, char_no)
  op = TkReading2Token[op][0] unless op.kind_of?(Symbol)
  @op = op
  @text = nil
end

def inspect # :nodoc:
  klass = self.class.name.split('::').last
  "{%s %d, %d:%d %p}" % [klass, @seek, @line_no, @char_no, @op]
end

def text
  @text ||= "#{TkToken2Reading[op]}="
end