Ruby 元编程 类定义
1.类实例变量
2.0.0p247 :412 > ob = MyAlias.new => #<MyAlias:0x007fdaea94e950> 2.0.0p247 :413 > ob.my_method => "my_method()" 2.0.0p247 :414 > ob.m => "my_method()" 2.0.0p247 :415 > 2.0.0p247 :416 >
