<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><BR><DIV>Begin forwarded message:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><B>From: </B></FONT><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">"Pablo Nogueira" <<A href="mailto:pirelo@googlemail.com">pirelo@googlemail.com</A>></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><B>Date: </B></FONT><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">November 10, 2006 12:46:27 GMT+01:00</FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><B>To: </B></FONT><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">"Alexey Rodriguez" <<A href="mailto:mrchebas@gmail.com">mrchebas@gmail.com</A>></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><B>Subject: </B></FONT><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica"><B>Re: [Hs-Generics] Support for abstract data types</B></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV> <DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Hi Alexey</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Could you please forward my replies to <A href="mailto:generics@haskell.org">generics@haskell.org</A>? I still</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">can't post and stil haven't got a reply from the administrator :-(</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">One minor addition:</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV> <BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">toQueue (Inl (e :*: q)) = e `prependToQueue` q</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">toQueue (Inr ()) = emptyQueue</DIV> </BLOCKQUOTE><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">What is `prependToQueue'? It is not a queue operation given by a queue</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">interface. I take it is actually<SPAN class="Apple-converted-space"> </SPAN>"enqueue . reverse". If this is the</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">case, what you propose looks impractical.</DIV> </BLOCKQUOTE></DIV><BR></BODY></HTML>