From: phlip <phlip2005@...>
Date: 2008-07-04T05:21:54+09:00
Subject: Re: How to duplicate elements in array?

Chris Chris wrote:

> a = [["ABC", "30", "1"]]

> a2 = a + a

> a2[0][1] = "test"

> => [["ABC", "test", "1"], ["ABC", "test", "1"]]

a is an object, not a value. a + a sez "make an array containing two links to 
this object". Changing one object changes the other.

You need a2 = a.dup + a.clone

I forget the difference between .dup and .clone, though... (-:

-- 
   Phlip