From: Nikolai Weibull <mailing-lists.ruby-talk@...>
Date: 2005-06-02T02:11:31+09:00
Subject: Re: Method Chaining Issues

Phrogz wrote:

> Some kind soul should search the archives for all the threads and RCRs
> surrounding this topic and create a page on the wiki with links, so we
> can redirect people to it.
> 
> In short - some people think it's nice that the 'bang' methods return
> nil if no change was effected, some people do not. You can either chain
> them using intermediary strings:
> 
>   string.sub('old','new').reverse
> 
> or you can use the bang methods, but not use chaining
> 
>   string.sub!('old','new')
>   string.reverse!

It should also be pointed out that the non-destructive version of sub
(i.e., String#sub) method often turns out to be faster than the
destructive one (i.e., String#sub!),
        nikolai

-- 
Nikolai Weibull: now available free of charge at http://bitwi.se/!
Born in Chicago, IL USA; currently residing in Gothenburg, Sweden.
main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}