<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 have been waiting a long time for something like this. I’m 100% behind this.<div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 03 Dec 2015, at 23:12, Tal Atlas <<a href="mailto:me@tal.by" class="">me@tal.by</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">With the awesome expansion of protocol oriented programming that swift has allowed, the lack of generic protocols has felt noticeably lacking and painful in some cases. I made an in depth proposal here: <a href="https://github.com/tal/swift-evolution/blob/tal/generic-protocol-proposal/proposals/NNNN-add-generic-protocols.md" rel="noreferrer" target="_blank" style="color:rgb(42,128,185);text-decoration:none;font-family:Slack-Lato,appleLogo,sans-serif;font-size:15px" class="">https://github.com/tal/swift-evolution/blob/tal/generic-protocol-proposal/proposals/NNNN-add-generic-protocols.md</a><div class=""><br class=""></div><div class="">But the tl;dr is this:</div><div class=""><br class=""></div><div class=""><div class="">protocol Validator<TypeToValidate> {</div><div class=""> var value: TypeToValidate { get set }</div><div class=""> var valueIfValid: TypeToValidate? { get }</div><div class="">}</div><div class=""><br class=""></div><div class="">struct FooStringValidator: Validator<String> {</div><div class=""> //... implementation</div><div class="">}</div><div class=""><br class=""></div><div class="">let stringValidator: Validator<String></div></div><div class=""><br class=""></div><div class="">Look forward to hearing some feedback.</div></div>
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