<br><div class="gmail_quote">On Fri, Sep 23, 2011 at 10:21 AM, Vincent Siles <span dir="ltr"><<a href="mailto:vincent.siles@ens-lyon.org">vincent.siles@ens-lyon.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Is this related to the performance issue you were talking about a few week ago<br>
(related to using Sigma instead of build-in records) ?<br></blockquote><div><br></div><div>Yes. With this optimisation using Sigma (record or datatype version) to define the </div><div>type of categories doesn't make the type checker explode defining the projection functions.</div>
<div><br></div><div>/ Ulf</div></div>