<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="Apple-tab-span" style="white-space:pre"> </span>This is largely unanswerable until that feature is actually designed. However, I can imaging wrapping an async-await in a Result to be easily passed around or transformed. Plus all of the usual non-asynchronous uses of Result in the first place.<div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Jon</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Nov 2, 2017, at 2:52 PM, Dan Stenmark <<a href="mailto:daniel.j.stenmark@gmail.com" class="">daniel.j.stenmark@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">With the upcoming async-await constructs supporting do-try-catch natively, what would the use-case for an explicit Result type be?</div><div class=""><br class=""></div><div class="">Dan</div><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Nov 2, 2017, at 11:08 AM, Jon Shier 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=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Swift-Evolution:<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>I’ve written a first draft of a proposal to add Result<T> to the standard library by directly porting the Result<T> type used in Alamofire to the standard library. I’d be happy to implement it (type and tests for free!) if someone could point me to the right place to do so. I’m not including it directly in this email, since it includes the full implementation and is therefore quite long. (Discourse, please!) </div><div class=""><br class=""></div><div class=""><a href="https://github.com/jshier/swift-evolution/blob/master/proposals/0187-add-result-to-the-standard-library.md" class="">https://github.com/jshier/swift-evolution/blob/master/proposals/0187-add-result-to-the-standard-library.md</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thanks, </div><div class=""><br class=""></div><div class="">Jon Shier</div><div class=""><br class=""></div><div class=""><br class=""></div></div>_______________________________________________<br class="">swift-evolution mailing list<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a><br class=""><a href="https://lists.swift.org/mailman/listinfo/swift-evolution" class="">https://lists.swift.org/mailman/listinfo/swift-evolution</a><br class=""></div></blockquote></div><br class=""></div></div></blockquote></div><br class=""></div></body></html>