<div dir="ltr">Ah, I see. I think that totally makes sense but I would prefer to have just one bit to write and not have to do both the [weak self] and the guard statement. <div><br></div><div>This is why I keep coming back to [guard weak self]. I want to to make self weak and I want to guard against it being nil.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 12, 2016 at 1:31 PM, Erica Sadun <span dir="ltr"><<a href="mailto:erica@ericasadun.com" target="_blank">erica@ericasadun.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>It would follow </div><div><br></div><div><font face="Menlo">[weak self]</font></div><div><br></div><div>not replace it, e.g.</div><div><br></div><div><div><font face="Menlo">[weak self]</font></div></div><span class=""><div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div style="word-wrap:break-word"><div><font face="Menlo">guard reconstitute self else { return }</font></div></div></div></div></div></div><div><br></div></span><div>I thought it might be handy to control how the <font face="Menlo">guard</font> exits scope, enabling <font face="Menlo">self == nil</font> (as well as any other reconstitutions of a <font face="Menlo">weak</font> variable) failure cases to do reporting, <font face="Menlo">fatalError</font>-ing, etc.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>-- E</div></font></span><div><div class="h5"><div><br></div><br><div><blockquote type="cite"><div>On Feb 12, 2016, at 12:08 PM, Jason Gregori <<a href="mailto:jasongregori@gmail.com" target="_blank">jasongregori@gmail.com</a>> wrote:</div><br><div><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 12, 2016 at 10:34 AM, Erica Sadun <span dir="ltr"><<a href="mailto:erica@ericasadun.com" target="_blank">erica@ericasadun.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>How about </div><div><br></div><div><font face="Menlo">guard reconstitute self else { return }</font></div></div></blockquote><div><br></div><div>I like the idea behind this but I feel like a line inside the block can't really dictate whether self is captured weakly or not. Unless your saying put this in the bracket part?</div><div><br></div><div>[guard reconstitute self] ? That works for me.</div><div><br></div><div><br></div><div>PS: I got here from your blog post, thanks!</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div><font face="Palatino-Roman">-- E</font></div><br><div><blockquote type="cite"><div><div><div>On Feb 12, 2016, at 11:28 AM, Jason Gregori via swift-evolution <<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>> wrote:</div><br></div></div><div><div><div><div dir="ltr"><span style="font-size:13px">I like Kenny and Kurt's points about handling the majority case and keeping the syntax simpler.</span><br style="font-size:13px"><div style="font-size:13px"><br></div><div style="font-size:13px">I feel like most of the time I want to break a retain cycle is for a completion block which returns void. Can we just handle that case and get rid of the else?<br></div><div style="font-size:13px"><br></div><div style="font-size:13px">Also, I don't think [guard self] is self explanatory enough. I think weak should be in there so it's much more obvious you are doing the weak/strong dance with self, otherwise it looks like you are guarding against a regular optional being nil.</div><div style="font-size:13px"><br></div><div style="font-size:13px">So:</div><div style="font-size:13px"><br></div><div style="font-size:13px">[guard weak self, other]</div></div></div></div>
_______________________________________________<br>swift-evolution mailing list<br><a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a><br><a href="https://lists.swift.org/mailman/listinfo/swift-evolution" target="_blank">https://lists.swift.org/mailman/listinfo/swift-evolution</a><br></div></blockquote></div><br></div></blockquote></div><br></div></div>
</div></blockquote></div><br></div></div></div></blockquote></div><br></div>