From: Jari Williamsson <jari.williamsson@...>
Date: 2008-02-28T01:02:12+09:00
Subject: Re: Question about how ruby sources is parsed

I think "" is hard-wired to constructing String class objects, as the {} 
is to creating Hash and [] is to creating Array.


Best regards,

Jari Williamsson


ThoML wrote:
> Hi,
> 
> I recently came came up with this piece of (monkey-inspired) code:
> 
>     class String0 < String
>         def foo
>             123
>         end
>     end
> 
>     Object.send :remove_const, :String
>     String = String0
> 
> This makes the following two statements work as intended:
> 
>     p String0.new("foo").foo # => 123
>     p String.new("foo").foo # => 123
> 
> The following doesn't work though:
> 
>     p "foo".foo
>     p eval %{"foo".foo}
> 
>     undefined method `foo' for "foo":String (NoMethodError)
> 
> Has somebody an idea if it is possible to make the ruby parser use
> the
> new String class somehow? I assume there is no way to make this work
> but
> then: I'd be happy if somebody proves me wrong.
> 
> Regards,
> Thomas.
> 
> 
>