<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>And the overjoyed operator: \o/</div><div><br>On 7 Feb 2017, at 08:04, Slava Pestov via swift-evolution <<a href="mailto:swift-evolution@swift.org">swift-evolution@swift.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html charset=us-ascii">I really have nothing to add to this discussion, except for this fun fact: apparently, the backslash was added to ASCII so you could write /\ and \/ operators: <a href="http://www.bobbemer.com/BACSLASH.HTM" class="">http://www.bobbemer.com/BACSLASH.HTM</a><div class=""><br class=""></div><div class="">Slava</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 5, 2017, at 7:29 AM, Nicolas Fezans 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 dir="ltr" class="">Dear all,<div class=""><br class=""></div><div class="">This is a rather simple proposal to add '\' (backslash character) as a valid operator-head in the swift grammar.</div><div class=""><br class=""></div><div class="">One argument for it, is that there exist a backslash operator in the MATLAB/Scilab/Octave languages. In this languages A\B solves the linear system A*X = B for X (or the least square problem associated to it if the system of equations is overdetermined). I am doing some numerical computation in Swift and it would be nice to be able to declare the same operator name for this functionality.</div><div class=""><br class=""></div><div class="">I might have missed some arguments for not adding them, but I seems to me that until now the \ character is only used inside of string literals. If that is the case, both uses should never generate a conflict or be ambiguous, isn't it? (String literals keep their interpretation of \ and \ used otherwise within the swift code will be interpreted as an operator or as the beginning of an operator)</div><div class=""><br class=""></div><div class="">I am curious to see what will be the feedback on this.</div><div class=""><br class=""></div><div class="">Nicolas</div></div>
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