From: Ryan Davis <ryand-ruby@...>
Date: 2007-07-17T15:41:50+09:00
Subject: Re: What is the fastest way to convert a object?


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.