On Thu, May 3, 2012 at 2:52 AM, Andrew Seniuk <span dir="ltr">&lt;<a href="mailto:rasfar@gmail.com" target="_blank">rasfar@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">Note that the &quot;Annotated&quot; version of the HSE parser/AST will probably<br></div>
not provide enough<br>
 generality for the sorts of attributes you want to store (it&#39;s for<br>
source locations, unless something changed in the most recent<br>
release).<br>
</blockquote><div><br></div><div>I do hope you&#39;re wrong on that! The annotations are fully general (and have been all along), so you can store whatever you like there(*). They are *used* for source locations by the parser, but that&#39;s just one possibility.<br>
</div><div><br></div><div>Cheers,</div><div><br></div><div>/Niklas</div><div><br></div><div>(*) The only requirement is that you need to store values of the same type throughout the syntax tree - but Either or Maybe should do the trick there.</div>