# frozen_string_literal: true require 'optparse' class OptionParser def define_by_keywords(options, meth, **opts) meth.parameters.each do |type, name| case type when :key, :keyreq op, cl = *(type == :key ? %w"[ ]" : ["", ""]) define("--#{name}=#{op}#{name.upcase}#{cl}", *opts[name]) do |o| options[name] = o end end end options end end