From: dblack@...
Date: 2007-06-05T21:35:51+09:00
Subject: Re: Writing method "change!" for String

Hi --

On Tue, 5 Jun 2007, Mike wrote:

> Hi,
>
>   I'm trying to write simple method to change internal value of
> String class:
>
> class String
>    def change!
>        self="0" if self.downcase=="myvalue1"
>        self="1" if self.downcase=="myvalue2"
>        self
>    end
> end
>
> test="myvalue1"
> test.change!
> p test
>
> It should just change value of string to what I want. But I get error:
> "Can't change the value of self".
> How do I proceed?

ri String#replace


David

-- 
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