# File lib/pry/command_set.rb, line 110
    def create_command(match, description="No description.", options={}, &block)
      description, options = ["No description.", description] if description.is_a?(Hash)
      options = Pry::Command.default_options(match).merge!(options)

      @commands[match] = Pry::ClassCommand.subclass(match, description, options, helper_module, &block)
      @commands[match].class_eval(&block)
      @commands[match]
    end