<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=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 23, 2016, at 10:36 AM, Thorsten Seitz <<a href="mailto:tseitz42@icloud.com" class="">tseitz42@icloud.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="content-type" content="text/html; charset=utf-8" class=""><div dir="auto" class=""><div class=""></div><div class="">I actually do prefer the explicit variant without type inference as I find it much clearer to see what the typealias requires.</div></div></div></blockquote><div><br class=""></div>As do I. Also, we don’t currently have any place in the language where we infer constraints from the *definition* of an entity.</div><div><br class=""></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>- Doug</div><div><br class=""><blockquote type="cite" class=""><div class=""><div dir="auto" class=""><div class=""><br class=""></div><div class="">-Thorsten </div><div class=""><br class="">Am 23.03.2016 um 17:38 schrieb Douglas Gregor via swift-evolution <<a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a>>:<br class=""><br class=""></div><blockquote type="cite" class=""><div class="">Clarification here: the example is</div><div class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class=""><font face="Menlo" class="">typealias DictionaryToStrings<T> = Dictionary<T, String></font></div></blockquote><div class=""><br class=""></div><div class="">Either we infer T to require Hashable, or we call this ill-formed and require the user to write</div><div class=""><br class=""></div><div class=""><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;" class=""><div class=""><font face="Menlo" class="">typealias DictionaryToStrings<T: Hashable> = Dictionary<T, String></font></div><div class=""><br class=""></div></blockquote></div></blockquote></div></div></blockquote></div><br class=""></body></html>