<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 Jul 15, 2016, at 9:25 AM, Johannes Neubauer via swift-dev &lt;<a href="mailto:swift-dev@swift.org" class="">swift-dev@swift.org</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: 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; float: none; display: inline !important;" class="">Is there some documentation of the current implementation of Existential Container, Protocol Witness Table, and co.? Where do I find it?</span></div></blockquote></div><br class=""><div class="">Arnold’s slides are the best I’ve seen!</div><div class=""><br class=""></div><div class="">There are some internal details here:</div><div class=""><a href="https://github.com/apple/swift/blob/master/docs/SIL.rst" class="">https://github.com/apple/swift/blob/master/docs/SIL.rst</a></div><div class=""><a href="https://github.com/apple/swift/blob/master/docs/ABI.rst" class="">https://github.com/apple/swift/blob/master/docs/ABI.rst</a></div><div class=""><br class=""></div><div class="">-Andy</div></body></html>