<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">At the moment you can achieve the same effect using the following construction (at least that’s what I used):</div><div class=""><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;"><br class=""></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(0, 132, 0);"><span class="" style="color: rgb(187, 44, 162);">protocol</span><span class="" style="color: rgb(0, 0, 0);"> UIViewControllerProtocol {} </span>// Make sure only UIViewController conforms to this protocol</div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; min-height: 13px;"><br class=""></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(79, 129, 135);"><span class="" style="color: rgb(187, 44, 162);">extension</span><span class="" style="color: rgb(0, 0, 0);"> </span><span class="" style="color: rgb(112, 61, 170);">UIViewController</span><span class="" style="color: rgb(0, 0, 0);">: </span>UIViewControllerProtocol<span class="" style="color: rgb(0, 0, 0);"> {}</span></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; min-height: 13px;"><br class=""></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;"><span class="" style="color: rgb(187, 44, 162);">protocol</span> MyProtocol {}</div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; min-height: 13px;"><br class=""></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(79, 129, 135);"><span class="" style="color: rgb(187, 44, 162);">let</span><span class="" style="color: rgb(0, 0, 0);"> myVar: </span><span class="" style="color: rgb(187, 44, 162);">protocol</span><span class="" style="color: rgb(0, 0, 0);"><</span>UIViewControllerProtocol<span class="" style="color: rgb(0, 0, 0);">, </span>MyProtocol<span class="" style="color: rgb(0, 0, 0);">></span></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(79, 129, 135);"><span class="" style="color: rgb(0, 0, 0);"><br class=""></span></div><div class="" style="margin: 0px; line-height: normal;">It’s obviously far longer and less obvious but I hope it at least solves your issue for now.</div><div class="" style="margin: 0px; line-height: normal;"><br class=""></div><div class="" style="margin: 0px; line-height: normal;">- Alex</div><div class="" style="margin: 0px; line-height: normal;"><br class=""></div></div><div><blockquote type="cite" class=""><div class="">On 09 Feb 2016, at 15:58, Inder Kumar Rathore . via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi All,<div class="">I used to do this in Obj-C but I'm unable to do this in swift</div><div class=""><br class=""></div><div class=""><b class=""><i class="">UIViewController<MyProtocol> *delegate;</i></b><br class=""></div><div class=""><b class=""><i class=""><br class=""></i></b></div><div class="">I posted this question on dev forums but didn't get the solution and finally I'm reporting here so that It can be added as a features in the coming releases.</div><div class=""><br class=""></div><div class="">Thanks</div><div class=""><br class=""></div><div class="">Rathore</div></div>
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