<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div><br class=""><blockquote type="cite" class=""><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">You can already effectively have these "regions" using extensions, with the exception of stored properties since they can't be placed there.</span></div></blockquote></div>I still think nested extensions would have been a good addition to the language: If we had those, <div class=""><br class=""></div><div class="">struct MyType {</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>private {</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>var myPrivateVar: Int?</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>var anotherOne: String?</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div class="">}</div><div class=""><br class=""></div><div class="">would be a rather small piece of syntactic sugar...</div></body></html>