<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div apple-content-edited="true"><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div><font class="Apple-style-span" color="#0000FF"><font class="Apple-style-span" face="Gill Sans"><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Gill Sans; "><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Gill Sans; ">Antony Hosking</span></span></font></font><font class="Apple-style-span" face="Gill Sans"><span class="Apple-style-span" style="font-family: Gill Sans; "><span class="Apple-style-span" style="font-family: Gill Sans; "> | </span></span><span class="Apple-style-span" style="font-family: Gill Sans; "><span class="Apple-style-span" style="font-family: Gill Sans; ">Associate Professor</span></span><span class="Apple-style-span" style="font-family: Gill Sans; "><span class="Apple-style-span" style="font-family: Gill Sans; "> | Computer Science | Purdue University</span></span></font></div><div><font class="Apple-style-span" face="GillSans-Light"><span class="Apple-style-span" style="font-family: GillSans-Light; ">305 N. University Street | West Lafayette | IN 47907 | USA</span></font></div><div><font class="Apple-style-span" color="#0000FF" face="Gill Sans"><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Gill Sans; "><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Gill Sans; ">Office</span></span></font><font class="Apple-style-span" face="GillSans-Light"><span class="Apple-style-span" style="font-family: GillSans-Light; "><span class="Apple-style-span" style="font-family: GillSans-Light; "> +1 765 494 6001 | </span></span></font><font class="Apple-style-span" color="#0000FF" face="Gill Sans"><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Gill Sans; "><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-family: Gill Sans; ">Mobile</span></span></font><font class="Apple-style-span" face="GillSans-Light"><span class="Apple-style-span" style="font-family: GillSans-Light; "><span class="Apple-style-span" style="font-family: GillSans-Light; "> +1 765 427 5484</span></span></font></div><div><font class="Apple-style-span" face="GillSans-Light"><br class="khtml-block-placeholder"></font></div></span></span></span></span></span></span></span><br class="Apple-interchange-newline"></span></div></span> </div><br><div><div>On 15 Apr 2009, at 02:56, Mika Nystrom wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><br>I agree with what Hendrik says, but what about TYPECASE, ISTYPE,<br>NARROW?  Those are necessary to make it possible to pass "pointers"<br>with the low-order bit set outside of unsafe code.<br><br>My feeling is that if Tony can make the necessary changes, it could<br>be done immediately, and the language issues can be pushed to the<br>future.  But admittedly I'm biased because of the application I'm<br>working on.</div></blockquote><div><br></div><div>I can take care of this next week.</div><br><blockquote type="cite"><div>I need to get a recent CM3 up to test the TEXTs.... are they the<br>default now?<br><br>     Mika<br><br><a href="mailto:hendrik@topoi.pooq.com">hendrik@topoi.pooq.com</a> writes:<br><blockquote type="cite">On Tue, Apr 14, 2009 at 12:02:17PM +0200, Olaf Wagner wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite">If anybody could test Rodney's TEXT changes and provide some<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">information on the impacts on our applications, that would help a lot.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I also wasn't able to read and understand all the mails about small objects.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">(Guessing, I'd say I'd need another day for that :-)<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Can anybody summarize?<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Has a conclusion been reached and what will be done/implemented?<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Is this relevant for the next release, or will it take longer?<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Deciding that the garbage collector should test for the low-order bit of <br></blockquote><blockquote type="cite">pointers and leave them alone if the bit is set could probably dop done <br></blockquote><blockquote type="cite">immediately, and would make it possible for users to build unsafe code <br></blockquote><blockquote type="cite">to do the small-objects stuff.  This could go in the next release if <br></blockquote><blockquote type="cite">the garbage-collector change wom't upset anything.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">There's still some discussion about just what form the final language <br></blockquote><blockquote type="cite">feature should take.  I don't know if that will be finished in time for <br></blockquote><blockquote type="cite">the release.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">-- hendrik<br></blockquote><blockquote type="cite"><br></blockquote></div></blockquote></div><br></body></html>