From: Robert Dober <robert.dober@...>
Date: 2008-09-05T17:01:43+09:00
Subject: Re: Need a 40 LOC (ignoring comments) to be shorter -- suggestions wanted

On Fri, Sep 5, 2008 at 9:29 AM, Lars Christensen <larsch@belunktum.dk> wrote:
> On Sep 5, 7:34 am, "Eric I." <rubytrain...@gmail.com> wrote:
>> On Sep 4, 9:40 pm, RichardOnRails
>> > Any ideas/suggestions?
>>
>> Here's one solution that requires the 'permutation' gem:
>
> Ruby 1.8.7 and 1.9 has Array#permutation:
>
> (3..7).to_a.permutation.sort_by { |a| a[0..2].to_s.to_i *
> a[3..4].to_s.to_i }.first
>
> Golf anyone? :-)
(i) A trivial trick is to replace (3..7).to_a with [*3..7]
(ii) sort_by( &blk ).first can be replaced with min_by( &blk )


R
-- 
C'est véritablement utile puisque c'est joli.

Antoine de Saint Exupéry