From: Josselin <josselin@...>
Date: 2006-11-26T23:00:10+09:00
Subject: find index of first non zeo value in array

with :
array = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 0, 0, 0, 0, 
0, 0, 0, 0, 0, 0]

I wrote :
array.index(array.detect {|x| x > 0})    => 15

is there a better and simpler way to do it ?
thanks

joss