From: Anders Borch <spam@...>
Date: 2003-07-17T20:15:06+09:00
Subject: Re: Keyword "with"

Brian Candler wrote:
> On Thu, Jul 17, 2003 at 06:54:44PM +0900, Anders Borch wrote:
> 
>>Now, any file loaded with loadpp may contain the ++ operator, and it 
>>will be replaced with '+= 1'. Have fun with it if you like :)
> 
> 
> It might be better to replace foo++ with (foo=foo.succ) because it will work
> on things other than numbers - except for some reason there doesn't seem to
> be any 'pred', so you can't implement foo-- in this way :-(
> 
> irb(main):003:0> "fred".succ
> => "free"
> 

true... I wouldn't be able to implement that in as few lines, since 
#succ does not modify the receiver the way +=1 and ++ does.