From: Magicloud Magiclouds <magicloud.magiclouds@...>
Date: 2007-07-17T16:27:08+09:00
Subject: Re: What is the fastest way to convert a object?

Ryan Davis wrote:
> 
> On Jul 16, 2007, at 22:56 , Magicloud Magiclouds wrote:
> 
>> Class Test
>>  def methodA
>>    puts(@var1)
>>  end
>>  def initialize
>>    @var1 = 0
>>  end
>> end
>>
>> obj = Object.new
>> obj.instance_variable_set(:@var1, 2)
>>
>>
>> # Now I want obj to be Test's instance, so I can
>> obj.methodA
>> # How to do this quickly?
> 
> You don't. Ruby is strongly typed, which means that things don't just 
> "morph" into other types of things automatically or manually. 
> Specifically, you can't (without voodoo) set an instance's class.
> 
> 
> 
Would obj.extend(Test) work?