<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Concerning generic typealiases, the topic is already being discussed in „Generic `typealias`s” thread: <a href="https://lists.swift.org/pipermail/swift-evolution/2015-December/000132.html">https://lists.swift.org/pipermail/swift-evolution/2015-December/000132.html</a>. The core Swift team approves:</div><div id="bloop_sign_1449489099373719808" class="bloop_sign"><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">> <span style="white-space: pre-wrap;">Yes, this is definitely something that I (at least) would like to see. Patches welcome :-)</span></div><div id="bloop_customfont" style="margin: 0px;">> Chris (Lattner)</div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">All the best,</div><div>Krzysztof</div><div><br></div></div><p class="airmail_on">On 7 December 2015 at 12:41:05, Tuur Anton via swift-evolution (<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>
<title></title>
<div>Can you please add these features in Swift 3?</div>
<div><br></div>
<div>1. The ability to do this:</div>
<div>extension Array<Double> {</div>
<div> //extend arrays of doubles</div>
<div>}</div>
<div><br></div>
<div>2. Generic typealiases:</div>
<div>struct Foo<T,V> {</div>
<div> let t: T</div>
<div> let v: V</div>
<div>}</div>
<div>typealias IntFoo<V> = Foo<Int,V> //Error in Swift
2.1</div>
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