<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="">And that's perfectly understandable and justified because it reduces a huge amount of "pain in the bottom" of looking the precedences up.<div class=""><br class=""></div><div class="">Besides, parentheses in calculations are as important as in pure math – I don't understand the reasoning behind the idea of disallowing them.<br class=""><div class=""><div class="">
<div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 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=""><font color="#929292" class=""><br class="Apple-interchange-newline">Pozdrawiam – Regards,</font></div><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 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=""><font color="#929292" class="">Adrian Kashivskyy</font></div>
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<br class=""><div><blockquote type="cite" class=""><div class="">Wiadomość napisana przez Amir Michail <<a href="mailto:a.michail@me.com" class="">a.michail@me.com</a>> w dniu 05.12.2015, o godz. 19:42:</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=""><div class="">Generally speaking, people put parentheses in expressions not to improve readability but because they can’t remember certain operator precedences and don’t want to bother looking them up.</div><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Dec 5, 2015, at 1:40 PM, Adrian Kashivskyy <<a href="mailto:adrian.kashivskyy@me.com" class="">adrian.kashivskyy@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=""><blockquote type="cite" class="">2 + 3 % 4 * 5 is not at all readable for me without parentheses.</blockquote><div class=""><br class=""></div>Agree, it's neither readable, nor predictable, because of the operator precedence. That's why I don't understand why should one omit parentheses in such cases. I'm -1 on this for now. <br class=""><div class="">
<div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 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=""><font color="#929292" class=""><br class="Apple-interchange-newline">Pozdrawiam – Regards,</font></div><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: 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=""><font color="#929292" class="">Adrian Kashivskyy</font></div>
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<br class=""><div class=""><blockquote type="cite" class=""><div class="">Wiadomość napisana przez Nicky Gerritsen <<a href="mailto:nickygerritsen@me.com" class="">nickygerritsen@me.com</a>> w dniu 05.12.2015, o godz. 19:36:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class=""><blockquote type="cite" class="">On 5 dec. 2015, at 19:33, Amir Michail <<a href="mailto:a.michail@me.com" class="">a.michail@me.com</a>> wrote:<br class=""><br class="">This isn’t just a style issue.<br class=""><br class="">Rather, it would force programmers to remember operator precedence better thus resulting in fewer bugs.<br class=""></blockquote>But is this not also often used to make “bigger” expressions / conditions more readable?<br class="">I think already the example from <a href="https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-ID41" class="">https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/AdvancedOperators.html#//apple_ref/doc/uid/TP40014097-CH27-ID41</a> is a good example<br class="">2 + 3 % 4 * 5 is not at all readable for me without parentheses.<br class=""><br class="">-- Nicky<br class="">_______________________________________________<br class="">swift-evolution mailing list<br class=""><a href="mailto:swift-evolution@swift.org" class="">swift-evolution@swift.org</a><br class=""><a href="https://lists.swift.org/mailman/listinfo/swift-evolution" class="">https://lists.swift.org/mailman/listinfo/swift-evolution</a><br class=""></div></div></blockquote></div><br class=""></div></div></blockquote></div><br class=""></div></div></blockquote></div><br class=""></div></div></body></html>