From: "Joseph E. Savard" <joseph.savard@...>
Date: 2010-07-29T23:47:45+09:00
Subject: Re: Adding an element to a copy of an array

array = ["one", "two", "three"]
 array_copy = array.clone
 array_copy << "four"
 p array
 p array_copy
 
 output:
["one", "two", "three"]
["one", "two", "three", "four"]


> From: Jim Burgess <jack.zelig@gmail.com>
> Reply-To: <ruby-talk@ruby-lang.org>
> Newsgroups: comp.lang.ruby
> Date: Thu, 29 Jul 2010 23:36:39 +0900
> To: ruby-talk ML <ruby-talk@ruby-lang.org>
> 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.
> -- 
> Posted via http://www.ruby-forum.com/.
>