<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="">+1 for removing implicit tuple splat.<div class=""><br class=""></div><div class="">I think this is a rarely used feature and would fit well in the Swift 3 goal of cleaning up the type system. I believe this would also solve some ambiguities that, IMO, cannot be properly solved, e.g.</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; line-height: normal;" class=""><div style="font-family: Menlo; font-size: 11px; margin: 0px; line-height: normal;" class=""><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span> f(x: <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Any</span>) {</div><div style="margin: 0px; line-height: normal; color: rgb(61, 29, 129);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class=""> </span>print<span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(</span><span style="font-variant-ligatures: no-common-ligatures; color: #d12f1b" class="">"Any"</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">)</span></div><div style="margin: 0px; line-height: normal;" class="">}</div><div style="margin: 0px; line-height: normal; min-height: 13px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span> f(a: <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Int</span>, <span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">_</span> b: <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Int</span>) {</div><div style="margin: 0px; line-height: normal; color: rgb(209, 47, 27);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">print</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(</span>"Int, Int"<span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">)</span></div><div style="margin: 0px; line-height: normal;" class="">}</div><div style="margin: 0px; line-height: normal; min-height: 13px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; min-height: 13px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #31595d" class="">f</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(</span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">3</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">,</span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">4</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">) </span>// Currently resolved as f(Int, Int)</div><div style="margin: 0px; line-height: normal; min-height: 13px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">let</span> a = (<span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">3</span>,<span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">4</span>)</div><div style="margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #31595d" class="">f</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(</span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187" class="">a</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">) </span>// Currently resolved as f(Int, Int)</div><div style="margin: 0px; line-height: normal; min-height: 13px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #31595d" class="">f</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">(</span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187" class="">a</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">as</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class=""> </span><span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Any</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">) </span>// Currently resolved as f(Any)</div><div style="margin: 0px; line-height: normal; min-height: 13px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #31595d" class="">f</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">((</span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">3</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">,</span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">4</span><span style="font-variant-ligatures: no-common-ligatures; color: #000000" class="">)) </span>// Currently ambigous expression</div></div><div style="font-family: Menlo; font-size: 11px; margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class="">If tuple splatting is not remove, I think that there should be a consistent solution to resolving ambiguity in the example provided above (in particular I think that there shouldn’t be a difference between f(a) and f((3,4)). I already tried to solve this issue but am not going to put more effort into it until this proposal is decided.</div><div style="font-family: Menlo; font-size: 11px; margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px;" class=""><br class=""></span></div><div style="font-family: Menlo; font-size: 11px; margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px;" class="">- Alex</span></div><div style="font-family: Menlo; font-size: 11px; margin: 0px; line-height: normal; color: rgb(0, 132, 0);" class=""><br class=""></div></div><div><blockquote type="cite" class=""><div class="">On 05 Feb 2016, at 19:12, Joe Groff <<a href="mailto:jgroff@apple.com" class="">jgroff@apple.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="">Hello Swift community,<br class=""><br class="">The review of “Remove implicit tuple splat behavior from function applications” begins now and runs through February 9, 2016. The proposal is available here:<br class=""><br class=""><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><a href="https://github.com/apple/swift-evolution/blob/master/proposals/0029-remove-implicit-tuple-splat.md" class="">https://github.com/apple/swift-evolution/blob/master/proposals/0029-remove-implicit-tuple-splat.md</a></blockquote><div class=""><br class="">Reviews are an important part of the Swift evolution process. All reviews should be sent to the swift-evolution mailing list at<br class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class=""><a href="https://lists.swift.org/mailman/listinfo/swift-evolution" class="">https://lists.swift.org/mailman/listinfo/swift-evolution</a></div></blockquote><div class=""><br class="">or, if you would like to keep your feedback private, directly to the review manager. When replying, please try to keep the proposal link at the top of the message:<br class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class="">Proposal link:</div><div class=""><br class=""></div><div class=""><a href="http://github.com/apple/swift-evolution/blob/master/proposals/0029-remove-implicit-tuple-splat.md" class="">http://github.com/apple/swift-evolution/blob/master/proposals/0029-remove-implicit-tuple-splat.md</a></div><div class=""><br class=""></div><div class="">Reply text</div><div class=""><br class=""></div><div class="">Other replies</div><div class=""><br class=""></div></blockquote><div class=""><b class="">What goes into a review?<br class=""></b><br class="">The goal of the review process is to improve the proposal under review through constructive criticism and, eventually, determine the direction of Swift. When writing your review, here are some questions you might want to answer in your review:<br class=""><br class=""><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>• What is your evaluation of the proposal?<br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>• Is the problem being addressed significant enough to warrant a change to Swift?<br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>• Does this proposal fit well with the feel and direction of Swift?<br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>• If you have used other languages or libraries with a similar feature, how do you feel that this proposal compares to those?<br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>• How much effort did you put into your review? A glance, a quick reading, or an in-depth study?<br class=""></div><div class=""><br class=""></div>More information about the Swift evolution process is available at<br class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class=""><a href="https://github.com/apple/swift-evolution/blob/master/process.md" class="">https://github.com/apple/swift-evolution/blob/master/process.md</a></div></blockquote><div class=""><br class="">Thank you,<br class=""><br class="">-Joe<br class="">Review Manager</div></div>_______________________________________________<br class="">swift-evolution-announce mailing list<br class=""><a href="mailto:swift-evolution-announce@swift.org" class="">swift-evolution-announce@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-evolution-announce<br class=""></div></blockquote></div><br class=""></div></body></html>