<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 May 31, 2016, at 1:59 PM, Adrian Zubarev 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=""><div class="bloop_original_html" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 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; background-color: rgb(254, 254, 254);"><div id="bloop_customfont" style="font-family: Helvetica, Arial; font-size: 13px; margin: 0px;" class=""><div class=""><blockquote type="cite" class="clean_bq" style="margin: 15px 0px; font-family: Helvetica, Arial; font-size: 13px; font-style: 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 style="margin-top: 0px; margin-bottom: 0px; font-family: 'helvetica Neue', helvetica; font-size: 14px;" class="">+1. This is example *is not* a single expression code block. There are 3 expressions (the condition, the return value in the else block, and the primary return value). </span></blockquote></div><p style="margin: 15px 0px;" class="">The `else` block is a returning single expression block. I can’t show the `guard` example without any returning scope.</p><div class="">You said it yourself "everywhere in the language“. It’s not “everywhere“ if we would left out `guards` <b class="">else-</b>returning block.</div></div></div></div></blockquote><div><br class=""></div><div>I was speaking casually and meant “<b class="">top level code blocks</b> that return a value”. You are right that I wasn’t totally clear about that. I replied to your initial post with the clarification I believe is necessary.</div><br class=""><blockquote type="cite" class=""><div class="bloop_original_html" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 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; background-color: rgb(254, 254, 254);"><div id="bloop_customfont" style="font-family: Helvetica, Arial; font-size: 13px; margin: 0px;" class=""><div class="">If we’d allow this we could also write:</div><div class=""><br class=""></div><div class=""><div class="bloop_markdown"><pre style="margin: 15px 0px; font-family: Menlo, Consolas, 'Liberation Mono', Courier, monospace; font-size: 10pt; border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; background-color: rgb(248, 248, 248); color: inherit; border: 1px solid rgb(204, 204, 204); overflow: auto; padding: 4px 8px; word-break: normal; word-wrap: normal; -webkit-margin-before: 0px;" class=""><code class="swift" style="font-family: Menlo, Consolas, 'Liberation Mono', Courier, monospace; font-size: 10pt; border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; background-color: rgb(248, 248, 248); color: inherit; border: 0px; margin: 0px; padding: 0px; word-break: normal; word-wrap: normal; -webkit-margin-before: 0px;">func test(boolean: Bool) {
guard boolean else {}
print("true")
}
</code></pre><div style="margin: 15px 0px;" class=""><br class="webkit-block-placeholder"></div></div><div class="bloop_original_html"><div id="bloop_customfont" style="margin: 0px;" class=""><div class=""></div></div></div></div></div><div id="bloop_sign_1464720676588489984" class="bloop_sign"><div style="font-family: helvetica, arial; font-size: 13px;" class="">This is useless and less readable.</div><div style="font-family: helvetica, arial; font-size: 13px;" class=""><br class=""></div><div style="font-family: helvetica, arial; font-size: 13px;" class="">But we already can do this with closures:</div><div style="font-family: helvetica, arial; font-size: 13px;" class=""><br class=""></div><div style="font-family: helvetica, arial; font-size: 13px;" class="">let nop = {} // useless</div><div style="font-family: helvetica, arial; font-size: 13px;" class=""><br class=""></div><div style="font-family: helvetica, arial; font-size: 13px;" class="">switch value {</div><div style="font-family: helvetica, arial; font-size: 13px;" class=""> ...</div><div style="font-family: helvetica, arial; font-size: 13px;" class=""> default: {}() // do nothing</div><div style="font-family: helvetica, arial; font-size: 13px;" class="">}</div><div style="font-family: helvetica, arial; font-size: 13px;" class=""><br class=""></div><div style="font-family: helvetica, arial; font-size: 13px;" class="">-- <br class="">Adrian Zubarev<br class="">Sent with Airmail</div></div><br class=""></div><div class="bloop_markdown" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 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; background-color: rgb(254, 254, 254);"><div style="margin: 15px 0px; -webkit-margin-before: 0px;" class=""><br class="webkit-block-placeholder"></div></div><span style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 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