<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">I think it is a bug :-) That's not what backquotes are for. It ought to be either supported without the backquotes or banned regardless of backquotes. </div><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 5, 2016, at 8:34 PM, Jacob Bandes-Storch <<a href="mailto:jtbandes@gmail.com" class="">jtbandes@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Yes, it seems to use the strong shadowing variable. (The compiler doesn't complain about "self.foo", and "self?.foo" becomes invalid because self is no longer optional.)<div class=""><br class=""></div><div class="">If it weren't so useful, I'd call it a bug.<br class=""><div class="gmail_extra">
<br class=""><div class="gmail_quote">On Tue, Jan 5, 2016 at 8:34 PM, Greg Parker <span dir="ltr" class=""><<a href="mailto:gparker@apple.com" target="_blank" class="">gparker@apple.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class="">Does further use of self after that actually use a strong shadowing variable? Or does it go back to the weak reference it already had as if the shadow were not there?</div><span class=""><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div class="">On Jan 5, 2016, at 8:26 PM, Jacob Bandes-Storch via swift-evolution <<a href="mailto:swift-evolution@swift.org" target="_blank" class="">swift-evolution@swift.org</a>> wrote:</div><br class=""><div class=""><div dir="ltr" class="">Wow! I didn't know that worked. It's a bit surprising, and perhaps not intended. I think the proposal is still valid.<div class="gmail_extra"><br class=""><div class="gmail_quote">On Tue, Jan 5, 2016 at 8:21 PM, Christopher Rogers <span dir="ltr" class=""><<a href="mailto:christorogers@gmail.com" target="_blank" class="">christorogers@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">You can shadow self with a guard like you wrote it if use the keyword escaping backquotes like so:<br class=""><br class="">guard let `self` = self else { return }</blockquote></div></div></div></div></blockquote></div></span></div></blockquote></div></div></div></div></div></blockquote></div><br class=""></body></html>