From: Pit Capitain <pit@...>
Date: 2007-03-17T01:49:25+09:00
Subject: Re: java guilt

Trans schrieb:
> I wrote an experimental lib a while back that let you sub in your
> class for another within the scope of another module/or class. I think
> it's a pretty easy way to work with this concept. Far-sight better
> than the clock based approaches, IMO. The central idea is:
> 
>   class InBlanket
> 
>     # This would have a even nicer DSL.
> 
>     String = Class.new(::String) do
>       def to_s; "(" + super + ")"
>     end
> 
>     def tryme
>       puts "three pigs"
>     end
> 
>   end
> 
>   InBlanket.new.tryme  #=> "(three pigs)
> 
> This could actually be made to work fairly easily *if* literals used
> the ::new methods. Unfortunately they don't. So one would have to do
> back and use String.new instead of "".  I consider this a design flaw
> in Ruby current implementation, though I'm sure there are
> justifications for it (probably execution speed related).

Tom, what would happen in your implementation if I pass a string from 
the outside to tryme? And what would happen if I use a string created in 
InBlanket outside of the class?

Regards,
Pit