<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="">I like this, and had considered proposing something similar.<div class=""><br class=""></div><div class="">Points:</div><div class="">I would have chose to leave protocol to mean the dynamically dispatch-able type declaration, as that is what it indicates in Objective-C. Your proposal would cause every Objective-C protocol to now be considered an interface in Swift terms.</div><div class=""><br class=""></div><div class="">Some discussion on this list makes me think that you might instead have a modifier for declaring statically dispatched, existential protocols - e.g. “existential protocol SequenceType { … }”</div><div class=""><br class=""></div><div class="">Also, note not all usage of Self need be disallowed in dynamically dispatch-able types today:</div><div class=""><br class=""></div><div class="">protocol Test { <br class=""> func foo() -> Self <br class="">} <br class=""><br class=""></div><div class="">var t:Test? // legal, I assume on purpose due to the covariance of the return type</div><div class=""><br class=""></div><div class="">-DW</div><div class=""><br class=""></div><div class=""><div><blockquote type="cite" class=""><div class="">On Jan 3, 2016, at 7:48 AM, Антон Жилин 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=""><div style="font-size:12.8px" class="">Introduction of interfaces will clean up the current blend of static and dynamic protocols, and solve at least three popular issues.</div><div style="font-size:12.8px" class="">Please see:</div><div style="font-size:12.8px" class=""><a href="https://github.com/Anton3/swift-evolution/blob/master/proposals/0000-introducing-interfaces.md" class="">https://github.com/Anton3/swift-evolution/blob/master/proposals/0000-introducing-interfaces.md</a></div></div>
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