<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Mon, Feb 17, 2014 at 10:10 PM, Jacob Carlborg <span dir="ltr"><<a href="mailto:doob@me.com" target="_blank">doob@me.com</a>></span> wrote:<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">

No, that's not required. When a subclass is registered I'm storing a templated delegate which performs the downcast. Have a look at these two methods:<br>
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<a href="https://github.com/jacob-carlborg/orange/blob/master/orange/serialization/Serializer.d#L241-L262" target="_blank">https://github.com/jacob-<u></u>carlborg/orange/blob/master/<u></u>orange/serialization/<u></u>Serializer.d#L241-L262</a><span class=""><font color="#888888"><br>

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-- <br>
/Jacob Carlborg<br>
</font></span></blockquote></div>interesting thanks.<br></div></div>