<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 Jan 22, 2016, at 14:32, Tino Heth <<a href="mailto:2th@gmx.de" class="">2th@gmx.de</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=""><blockquote type="cite" class=""><div class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class=""><blockquote type="cite" class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: 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;"><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_extra">UIView.insertSubview(_:,belowSubview:) and UIView.insertSubview(_:,aboveSubview:) beg to differ. As do UIView.convertPoint(_:,toView:) and UIView.convertPoint(_:,fromView:). Need more examples? Take a look at UITableViewDelegate.<br class=""></div></div></div></div></blockquote><br class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: 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;"></div><div class="">Agreed. I'm quite happy that Swift labels are effectively part of the method name and therefore consistently applied. Long parameter lists are easy to get lost in.</div></div></div></blockquote></div><br class=""><div class="">That's exactly my opinion: Labels help <i class="">us</i> — the computer doesn't care weather a function has a meaningful name or is called as "f231(4, true)"</div><div class="">Especially because of the benefit of labels, it's imho not necessary that the compiler enforces their use… but I think it's actually annoying to be forced to skip labels:</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span> printPowWithBase(base: <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Double</span>, exponent: <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Double</span>) {</div><div style="margin: 0px; line-height: normal;" class=""><span class="Apple-tab-span" style="white-space:pre"> </span><span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">print</span>(<span style="font-variant-ligatures: no-common-ligatures; color: #3d1d81" class="">pow</span>(base, exponent))</div><div style="margin: 0px; line-height: normal;" class="">}</div><div style="margin: 0px; line-height: normal; color: rgb(49, 89, 93);" class="">printPowWithBase<span style="font-variant-ligatures: no-common-ligatures;" class="">(</span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">2</span><span style="font-variant-ligatures: no-common-ligatures;" class="">, exponent: </span><span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">3</span><span style="font-variant-ligatures: no-common-ligatures;" class="">)</span></div></div></div><div class=""><br class=""></div><div class="">Easy to understand, works as expected — but would it hurt if</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #31595d" class="">printPowWithBase</span>(base: <span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">2</span>, exponent: <span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">3</span>)</div></div><div class=""><br class=""></div><div class="">would be accepted as well? Sure, "base:" is redundant, but who cares? And, as others already mentioned: For init, the first label is required…</div><div class=""></div></div></div></blockquote><div><br class=""></div><div>If the library author decides to change the internal name, it's now a source-breaking change for clients. (Alternately, all the existing internal names are now external names, without any thought given to them, which would be just as bad.)</div><div><br class=""></div><br class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Additionally, there is a hidden(?) feature in Swift that's imho quite cool:</div><div class="">The ability to call a function with a tuple containing the arguments</div><div class=""><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">let</span> args = (<span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">4.0</span>, exponent: <span style="font-variant-ligatures: no-common-ligatures; color: #272ad8" class="">4.0</span>)</div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(49, 89, 93);" class="">printPowWithBase<span style="font-variant-ligatures: no-common-ligatures;" class="">(</span><span style="font-variant-ligatures: no-common-ligatures; color: #4f8187" class="">args</span><span style="font-variant-ligatures: no-common-ligatures;" class="">)</span></div></div><div class=""><br class=""></div><div class="">In this case, you end up with a first parameter without any indication of its role.</div></div></div></blockquote><br class=""></div><div>This feature is likely to get redesigned soon. (It has other problems.)</div><br class=""><div class="">Jordan</div></body></html>