From: Yukihiro Matsumoto <matz@...>
Date: 2005-04-20T12:59:00+09:00
Subject: Re: Lookup, a.collect{|i|b[i]}

Hi,

In message "Re: Lookup, a.collect{|i|b[i]}"
    on Wed, 20 Apr 2005 12:43:00 +0900, John Carter <john.carter@tait.co.nz> writes:

|a = [3,6,3,1,6] # Arbitary Array of stuff
|b = [1,2,3,4,5,6,7,8,9,0] # Could be Array or Hash, don't care.
|p a.collect{|i|b[i]}
|# Outputs...
|#[4, 7, 4, 2, 7]

How about b.values_at(*a) ?

							matz.