From: Jim Burgess <jack.zelig@...>
Date: 2010-07-29T23:36:39+09:00
Subject: Adding an element to a copy of an array

Hi,

array = ["one", "two", "three"]
array_copy = array
array_copy << "four"
p array
p array_copy

#=>
["one", "two", "three", "four"]
["one", "two", "three", "four"]

How can I add an element to "array_copy" and leave "array" unaltered?

Cheers.
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