From: Gene Tani <gene.tani@...>
Date: 2006-03-15T06:28:45+09:00
Subject: Re: some questions on language syntax


Pavel Smerk wrote:
> Hi, I'm new to this language and as I'm Perl user, some things seems
> strange to me:
>
> = %w{a b} produces ['a', 'b']. Is there some similarily easy way for
> {'a' => 'b'}? Or, can I transform an array to some "list"? I can use
> Hash['a', 'b'], but not Hash[%w{...}], because I cannot generate a list,
> only an array.
>
> = how can I do 'perlish' a[1] <=> b[1] || a[2] <=> b[2] if I want
> compare a and b accordind to some my own rules, i.e. if a[1] == b[2],
> "return" a[2] <=> b[2]? In Ruby this is not possible, because 0 is true.
>

use #sort_by like:
Enumerable#sort_by { |obj| obj.fld1, obj.fld2 }

this list give good, quick, *accurate* answers, no?