ruby/railsのaccessorいろいろ - Qiitarequire 'test/unit' extend Test::Unit::Assertions require 'active_support/all' module Mod mattr_accessor :module_variable self.module_variable = '<nil>' thread_mattr_accessor :thread_module_variable self.thread_module_variable = '<nil>' end class Base include Mod attr_accessor :instance_variable cattr_accessor :class_variable @@class_variable = '<nil>' # わかりやすいようにnilは文字列 thread_cattr_accessor :thr
