From: jbieger@...
Date: 2007-12-25T00:19:59+09:00
Subject: Problem with copying array

Hi, I'm a total newbie with Ruby and I was trying to make this
function that would get a (multidimensional) array, make a copy, make
some changes to the copy and then return the copy, without altering
the original array. However, no matter what I try, the original array
gets altered. Here is my code:

def prune_times (times)
#	copy = times
#	copy = Array.new(times)
#	copy = times.clone
	copy = times.dup
	copy.each do |map|
		map.each do |task|
			task.replace(best_n(task, 2))
		end
	end
	return copy
end

Any help would be greatly appreciated!

Jordi