From: Josselin <josselin@...>
Date: 2006-12-28T22:55:09+09:00
Subject: range index

is there any dry way to get the index of an element in a range   
without converting the range into an array ?

("A".."Z").each do | alpha |
	->  puts alpha.index  (?)  or something  like that .... <-
end