<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 23 Mar 2017, at 13:50, Helge Heß via swift-server-dev <<a href="mailto:swift-server-dev@swift.org" class="">swift-server-dev@swift.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">P.S.: Does Swift 4 propose any way to intern strings? That is also a nice way to do this kind of thing and still get decent performance (essentially what Cocoa Swift does for NSNotification names).</span></div></blockquote></div><br class=""><div class="">Interning only makes sense for reference types, and Swift's String is a value type.</div><div class=""><br class=""></div><div class=""><a href="https://developer.apple.com/library/prerelease/content/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-ID289" class="">https://developer.apple.com/library/prerelease/content/documentation/Swift/Conceptual/Swift_Programming_Language/StringsAndCharacters.html#//apple_ref/doc/uid/TP40014097-CH7-ID289</a></div><div class=""><br class=""></div><div class="">Alex</div></body></html>