<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 8, 2013 at 12:09 AM, Barry Smith <span dir="ltr"><<a href="mailto:bsmith@mcs.anl.gov" target="_blank">bsmith@mcs.anl.gov</a>></span> wrote:<br>
<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"><div class=""><div class="im">> I would consider it based on the value of that tweak, acknowledging that changing CPP in any way presents a severe workflow contortion.<br>

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</div></div><a href="http://en.wikipedia.org/wiki/Variadic_macro" target="_blank">http://en.wikipedia.org/wiki/Variadic_macro</a>  ?</blockquote></div><br>Yes, variadic macros are a very useful C99 feature, obviating the need for all these numbered macros, but also allowing really crazy shit like</div>
<div class="gmail_extra"><br></div><div class="gmail_extra"><a href="http://arxiv.org/abs/1003.2547">http://arxiv.org/abs/1003.2547</a><br><a href="https://github.com/CObjectSystem/COS">https://github.com/CObjectSystem/COS</a><br>
<br><br></div><div class="gmail_extra" style>I think COS is over the top, but it's an example of how much a tiny tweak can change things.</div></div>