From: Sebastian Hungerecker <sepp2k@...>
Date: 2007-12-25T21:52:02+09:00
Subject: Re: Problem with copying array

Bryan Duxbury wrote:
> What's your array an array of? Array.dup will copy the array to a new
> array, but if the values in the array are references to some class
> you're using, it'll be a different array of the same items.
> Primitives would be copied correctly. You need to do your own deep
> copy if it's a more complicated array value.

a) There are no primitives in ruby. Everything is an object.
b) Array#dup never makes a deep copy. You'll always get a different array of 
the same items no matter what the class of these items is.


HTH,
Sebastian
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