From: Mark Probert <probertm@...>
Date: 2003-01-03T23:20:44+09:00
Subject: Re: sort the hash keys


Hi.

At 12:50 PM 1/3/2003 +0900, Gavin wrote:
>On Friday, January 3, 2003, 2:16:29 PM, Mark wrote:
>
> > You can also use hash.sort directly, however, be careful.  It returns
> > an array of [key, value].  So to sort and iterate over the hash hash_a
> > do
>
> >      hash_a.each { |item|

My mistake.  That should have been

          hash_a.sort { |item|  # item is array [key, value]

Sorry about the confusion.

-mark.

> >        key = item[0]
> >        value = item[1]
> >        # do stuff ...
> >      }
>
>Better:
>
>   hash_a.each do |key, value|
>     # do stuff
>   end