<div dir="ltr">And to follow up on my own email, isn't that exactly the flow you want?<div><br></div><div>First you do</div><div>{ [unowned self]? in </div><div> ...</div><div>}</div><div><br></div><div>Then you realize that you need to deal with the else case. You nuke the ? and add a guard.</div><div>{ [unowned self] in</div><div> guard if unowned self != nil self {</div><div> ...</div><div><br></div><div>I mean -- I look at that and it seems clear and easy. You have the ? to deal with the nil case. You remove it and add the block to deal with the special nil case. The intention of both seems clear. You added the guard code when you needed it.</div><div><br></div><div>Sign me up!</div><div>Kurt<br><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 19, 2016 at 2:39 PM, Kurt Werle <span dir="ltr"><<a href="mailto:kurt@circlew.org" target="_blank">kurt@circlew.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span class="">On Fri, Feb 19, 2016 at 2:30 PM, Shawn Erickson <span dir="ltr"><<a href="mailto:shawnce@gmail.com" target="_blank">shawnce@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I get that :) but I think it would be helpful to go beyond the no-op case and help solve the "strongify" situation that exists in the larger problem domain.<div></div></div><div><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div></div></div></div></div></blockquote></div></div></div></blockquote><div><br></div></span><div>OK - so what's wrong with:</div><span class=""><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>{ [unowned self] in</div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div> guard self != nil else {</div></div></div></div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div> Do the other thing</div><div> }</div><div>}</div></div><div></div></div></div></blockquote></div></div></div></blockquote><div><br></div></span><div>It's basically what you're asking for - an unowned implicitly unwrapped variable followed by an else statement that takes care of the nil case. Right?</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Kurt</div><div>-- <br></div></font></span></div><span class="HOEnZb"><font color="#888888"><div>kurt@CircleW.org<br><a href="http://www.CircleW.org/kurt/" target="_blank">http://www.CircleW.org/kurt/</a><br></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">kurt@CircleW.org<br><a href="http://www.CircleW.org/kurt/" target="_blank">http://www.CircleW.org/kurt/</a><br></div>
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