<div dir="ltr">Why would you do this just for return statements? Why not do postfix conditionals for all statements (like ruby)?<div><br></div><div>I've always liked postfix conditionals, but not enough to suggest them. Mostly I'm curious about limiting the scope to return statements.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Aug 4, 2016 at 7:31 AM, Christian Kienle via swift-evolution <span dir="ltr"><<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.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">+1</div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">2016-08-04 15:38 GMT+02:00 Julian Dunskus via swift-evolution <span dir="ltr"><<a href="mailto:swift-evolution@swift.org" target="_blank">swift-evolution@swift.org</a>></span>:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div style="word-wrap:break-word">How often have you written something like the following?<div><br></div><div>`</div><div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="color:#b51b47">if</span><span> indexPath.row == </span><span style="color:#7373ff">0</span><span> { </span><span style="color:#b51b47">return</span><span> }</span></div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span></span><br></div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="color:#b51b47">guard</span><span> </span><span style="color:#b51b47">let</span><span> thing = things[index] </span><span style="color:#b51b47">else</span><span> { </span><span style="color:#b51b47">return nil</span><span> }</span></div></div><div>`</div><div><br></div><div>I propose adding some syntactic sugar to make such statements more readable and simple to write:</div><div><br></div><div>`</div><div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="color:#b51b47">return</span><span> </span><span style="color:#b51b47">if</span><span> indexPath.row == </span><span style="color:#7373ff">0</span></div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo;min-height:13px"><span></span><br></div><div style="margin:0px;font-size:11px;line-height:normal;font-family:Menlo"><span style="color:#b51b47">return</span><span> </span><span style="color:#b51b47">nil</span><span> <span style="color:rgb(181,27,71)">unless</span> </span><span style="color:#b51b47">let</span><span> thing = things[</span><span style="color:#cc4428">index</span><span>]</span></div></div><div>`</div><div><br></div><div>I don’t know how easy or hard this would be to implement, but I think it would improve some code significantly.</div><span><font color="#888888"><div><br></div><div>–Julian Dunskus</div></font></span></div><br></div></div>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="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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