From: Evan Phoenix <evan@...>
Date: 2010-03-25T03:44:02+09:00
Subject: [ruby-core:28947] Re: [Feature #1961] Kernel#__dir__


On Mar 24, 2010, at 2:28 AM, Charles Oliver Nutter wrote:

> This is nice but would not be backward compatible with code that depends on __FILE__ actually being a string (any code that splits on / or builds a path with + "../" for example. Maybe a subclass of String? Is there a down side to that?
> 
> class FileString < String
>  def dir
>    File.dirname(self)
>  end
> end

Sure, a String subclass seems pretty logical.

 - Evan

> 
> - Charlie (mobile)
> 
> On Mar 23, 2010, at 5:53 PM, Evan Phoenix <evan@fallingsnow.net> wrote:
> 
>> Perhaps __FILE__ should not be a raw String object, but rather a CurrentFile object. It could have a #to_str to return the normal String so it can be used like normal, but can provide methods like #dir, where __FILE__.dir == File.dirname(__FILE__).
>> 
>> This solves the need for __DIR__ in a very clean, object oriented way.
>> 
>> - Evan Phoenix
> 
>