From: Joel VanderWerf <vjoel@...>
Date: 2007-10-08T06:34:41+09:00
Subject: Re: #sort_by and #sort_obj

Rick DeNatale wrote:
> On 10/7/07, Joel VanderWerf <vjoel@path.berkeley.edu> wrote:
>> Eric Hodel wrote:
>>> somethings.sort_by { |s| s.sort_obj }
>> Since this is more efficient than #sort, maybe the implementation of
>> #sort should first try to do this, and only if that fails (#sort_obj not
>> defined, or two sort_obj not comparable), revert to the normal <=>
>> algorithm.
> 
> Yes, but sort_by is not always more efficient than sort:

Quite right, #sort should stay as it is, and #sort_by should only be 
called explicitly.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407