From: Tony Arcieri <tony.arcieri@...>
Date: 2013-04-17T14:34:44+09:00
Subject: Re: Delete method also modifies the original variable

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On Tue, Apr 16, 2013 at 9:10 PM, Matthew Kerwin <lists@ruby-forum.com>wrote:

> There is no general-form solution to creating a deep-copy of a
> datastructure in ruby.


A (suboptimal) solution for deep copies in Ruby is to use Marshal.

It sure would be nice if Ruby had some sort of analogue for structured
cloning.

-- 
Tony Arcieri

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<div dir=3D"ltr">On Tue, Apr 16, 2013 at 9:10 PM, Matthew Kerwin <span dir=
=3D"ltr">&lt;<a href=3D"mailto:lists@ruby-forum.com" target=3D"_blank" oncl=
ick=3D"window.open(&#39;https://mail.google.com/mail/?view=3Dcm&amp;tf=3D1&=
amp;to=3Dlists@ruby-forum.com&amp;cc=3D&amp;bcc=3D&amp;su=3D&amp;body=3D&#3=
9;,&#39;_blank&#39;);return false;">lists@ruby-forum.com</a>&gt;</span> wro=
te:<br>

<div class=3D"gmail_extra"><div class=3D"gmail_quote"><blockquote class=3D"=
gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">There is no general-form solution to creating a deep-copy of a<br=
>
datastructure in ruby.</blockquote><div><br></div><div style>A (suboptimal)=
 solution for deep copies in Ruby is to use Marshal.</div><div style><br></=
div><div style>It sure would be nice if Ruby had some sort of analogue for =
structured cloning.</div>

<div style><br></div></div>-- <br>Tony Arcieri<br>
</div></div>

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