<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">On Mar 11, 2014, at 10:32 AM, Richard Smith <<a href="mailto:richard@metafoo.co.uk">richard@metafoo.co.uk</a>> wrote:<br><div><br class="Apple-interchange-newline"><blockquote type="cite"><blockquote class="gmail_quote" style="font-family: LucidaGrande; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;"> {<br>-private:<br>- mutable _Iter __t;<br></blockquote><div style="font-family: LucidaGrande; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br></div><div style="font-family: LucidaGrande; font-size: 11px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">This looks like an ABI break; is that OK?</div></blockquote><br></div><div>Sigh. Yes; yes, it is.</div><div>This changes the size of a reverse_iterator.</div><div><br></div><div>Thanks for catching this, Richard. Apparently I was asleep at the wheel.</div><div><br></div><div>I’m open to suggestions here:</div><div>a) I can put the instance variable back, and never use it. No ABI break, but an unused iterator in every reverse iterator.</div><div>b) I can leave it the way it is, and say - yeah, it’s an ABI break. Fortunately, I suspect that very few people hvea a reverse_iterator stored in a data file somewhere.</div><div>c) Something else.. ?</div><div><br></div><div>— Marshall</div><div><br></div><div><br></div><div><br></div><div><br></div></body></html>