<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 Mar 20, 2016, at 12:20 PM, Krzysztof Siejkowski <<a href="mailto:krzysztof@siejkowski.net" class="">krzysztof@siejkowski.net</a>> wrote:</div><div class=""><div style="font-family: Helvetica, Arial; font-size: 13px; 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;" class=""><div class=""><div class=""><p class="">However, I’m not sure about this one:</p></div></div><div class=""><blockquote type="cite" class="clean_bq" style="font-family: Helvetica, Arial; font-size: 13px; 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;"><span class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class=""><span style="font-family: Courier;" class="">public func f2<U>(@noescape f: (Wrapped) throws -> U!) rethrows -> U!</span></div></div></span></blockquote></div><p class="">I haven’t used implicitly unwrapped optionals at all, I just never found a good case for them. Why do you think this variant might be useful?</p><div class=""><br class=""></div></div></div></blockquote><br class=""></div><div>Because flatMap. No other reason. I'm not advocating this.</div><br class=""><div class="">-- E</div><div class=""><br class=""></div></body></html>