From: Daniel Carrera <dcarrera@...>
Date: 2003-01-14T01:30:15+09:00
Subject: Re: sorting with the Swartzian transform

On Mon, 13 Jan 2003, Bulat Ziganshin wrote:

> Hello Martin,
>
> Sunday, January 12, 2003, 11:48:27 AM, you wrote:
>
> MD> class Array
> MD>   def ssort(&block)
> MD>     map {{|i| [&block.call(i), i]}\
> MD>     .sort {|a,b| a[0] <=> b[0]}\
>
> just ".sort" will be faster (in most cases :)

Yes, but it does something different.  '.sort' sorts in ASCIIbetical
order (so 10 comes before 2) , whereas <=> is a numerical sort.

Daniel Carrera
Graduate Teaching Assistant.  Math Dept.
University of Maryland.  (301) 405-5137