# File lib/pry/input_completer.rb, line 214
    def select_message(path, receiver, message, candidates)
      candidates.grep(/^#{message}/).collect { |e|
        case e
        when /^[a-zA-Z_]/
          path.call(receiver + "." << e)
        when /^[0-9]/
        when *Operators
          #receiver + " " << e
        end
      }.compact
    end