# File lib/fastri/ri_service.rb, line 237 def args(keyword, options = {}) options = DEFAULT_INFO_OPTIONS.merge(options) return nil if keyword.strip.empty? descriptor = NameDescriptor.new(keyword) entries = obtain_entries(descriptor, options) return nil if entries.empty? || RiIndex::ClassEntry === entries[0] params_text = "" entries.each do |entry| desc = @ri_reader.get_method(entry) params_text << capture_stdout(display(options)) do |display| display.full_params(desc) end end params_text rescue RiError return nil end