From: "Brian Schröder" <ruby@...>
Date: 2004-11-08T21:50:42+09:00
Subject: Re: Succ distance between two strings

On Sat, 6 Nov 2004 23:07:59 +0900
"David A. Black" <dblack@wobblini.net> wrote:

> Hi --
> 
> On Sat, 6 Nov 2004, trans.  (T. Onoma) wrote:
> 
> > 
> > Is there an efficient way to calculate the "succ distance" between two strings 
> > (without iterating over each succession)? Examples:
> > 
> >   'a'..'a'    0
> >   'a'..'b'    1
> >   'a'..'z'    25
> >   'a'..'aa'   26
> 
> 'a'...'aa'.to_a.size   # would be one way


That does not work, as the ... have a very low binding. It seems a common error I made often.

bschroed@black:~ $ irb
irb(main):001:0> 'a'...'aa'.to_a.size
=> "a"...1
irb(main):002:0> ('a'...'aa').to_a.size
=> 26

Regards,

Brian


-- 
Brian Schr�der
http://www.brian-schroeder.de/