<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>I’m certainly willing to adjust API to better match convention and guidelines. However, part of the proposal’s basis is the popularity of the Alamofire implementation (which is rather similar to the antitypical one in regards to additional API offered). Adding special syntax for it isn’t really something I want to do, as ever bit of that needs additional justification beyond the fact that’s it’s already in use.<div class=""><br class=""></div><div class=""><br class=""></div><div class="">Jon</div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Nov 2, 2017, at 8:01 PM, Xiaodi Wu <<a href="mailto:xiaodi.wu@gmail.com" class="">xiaodi.wu@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">This is clearly a fine addition to the standard library; even Swift's Error Handling Rationale (<a href="https://github.com/apple/swift/blob/master/docs/ErrorHandlingRationale.rst" class="">https://github.com/apple/swift/blob/master/docs/ErrorHandlingRationale.rst</a>) mentions such an addition<br class=""><br class="">What separates standard library types from other types is that they have language level support, and the wrapping and unwrapping syntax here could definitely benefit from it (`.unwrap()`--which should be `.unwrapped()` incidentally--is so much less elegant in comparison to `?` and `!` for optionals (not that `Result` should use the exact such syntax for a distinct operation)). It would be a shame to transpose a third-party `Result` to the standard library without considering if any such tweaks would substantially improve ergonomics, interconversion with Optional and throws, etc.<br class=""><div class="gmail_extra"><br class=""></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, Nov 2, 2017 at 1:08 PM, Jon Shier via swift-evolution <span dir="ltr" class=""><<a href="mailto:swift-evolution@swift.org" target="_blank" class="">swift-evolution@swift.org</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class="">Swift-Evolution:<div class=""><span class="m_-4434525584991225668Apple-tab-span" style="white-space:pre-wrap"> </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" target="_blank" class="">https://github.com/jshier/<wbr class="">swift-evolution/blob/master/<wbr class="">proposals/0187-add-result-to-<wbr class="">the-standard-library.md</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thanks, </div><span class="HOEnZb"><font color="#888888" class=""><div class=""><br class=""></div><div class="">Jon Shier</div><div class=""><br class=""></div><div class=""><br class=""></div></font></span></div><br class="">______________________________<wbr class="">_________________<br class="">
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