<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="">Ok thanks I’ll look into it! It may remove some confusion / unclarity for me<div class=""><br class=""></div><div class="">Brandon </div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 11, 2016, at 1:18 PM, 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=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Jan 11, 2016, at 10:17 AM, Brandon Knope <<a href="mailto:bknope@me.com" class="">bknope@me.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=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Jan 11, 2016, at 1:14 PM, 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=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Jan 11, 2016, at 9:49 AM, Brandon Knope 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=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">@noescape<div class="">@autoclosure</div><div class=""><br class=""></div><div class="">Is there a particular reason why there is a @ prepending these attributes/keywords?</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; line-height: normal; font-family: Menlo; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span> test(<span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">@autoclosure</span> test: () -> <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Bool</span>) -> <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Void</span></div><div style="margin: 0px; line-height: normal; font-family: Menlo; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; font-family: Menlo; min-height: 14px;" class="">vs.</div><div style="margin: 0px; line-height: normal; font-family: Menlo; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures; color: #bb2ca2" class="">func</span> test(<font color="#b92ba0" class="">autoclosure</font> test: () -> <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Bool</span>) -> <span style="font-variant-ligatures: no-common-ligatures; color: #703daa" class="">Void</span> </div></div><div style="margin: 0px; line-height: normal; font-family: Menlo;" class=""><br class=""></div><div style="margin: 0px; line-height: normal; font-family: Menlo;" class="">It seems cleaner/clearer without @ sprinkled everywhere, but what is the rationale behind needing the @ symbol?</div></div></div></blockquote><br class=""></div><div class="">Without the '@', you're declaring a parameter labeled 'autoclosure'.</div><div class=""><br class=""></div><div class="">-Joe</div><br class=""></div></div></blockquote></div><br class=""><div class="">What about “inout” then?</div><div class=""><br class=""></div><div class="">And duh! I completely forgot about parameter labels -_-</div></div></div></blockquote></div><br class=""><div class="">'inout' is a special case, and we've reserved it as a keyword. There's a thread about moving 'inout' to eliminate this special case.</div><div class=""><br class=""></div><div class="">-Joe</div></div></div></blockquote></div><br class=""></div></body></html>