<table><tr><td style="">dkurz marked an inline comment as done.<br />dkurz added inline comments.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: #F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: inline-block; border: 1px solid rgba(71,87,120,.2);" href="https://phabricator.kde.org/D16555">View Revision</a></tr></table><br /><div><strong>INLINE COMMENTS</strong><div><div style="margin: 6px 0 12px 0;"><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D16555#inline-90246">View Inline</a><span style="color: #4b4d51; font-weight: bold;">dvratil</span> wrote in <span style="color: #4b4d51; font-weight: bold;">modelspy.h:46</span></div>
<div style="margin: 8px 0; padding: 0 12px; color: #74777D;"><p style="padding: 0; margin: 8px;">The move here is kinda pointless: Qt classes are implicitly shared, so copying them means only copying a pointer. And if you make the arguments <tt style="background: #ebebeb; font-size: 13px;">const &</tt>, calling the ctor would be a no-copy and initialization of the member variable would be a copy. Your approach requires a copy to call the ctor and then move for initialization - so copy vs copy+move: <tt style="background: #ebebeb; font-size: 13px;">const &</tt> wins here :)</p>
<p style="padding: 0; margin: 8px;">And while this may sound contradictory to what I replied to your email regarding performance compromises when refactoring, the <tt style="background: #ebebeb; font-size: 13px;">std::move</tt> does not IMO improve code readability or quality (compared to just passing non-POD args as <tt style="background: #ebebeb; font-size: 13px;">const &</tt> ) in this case.</p></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">Fully agreed.</p></div></div></div></div></div><br /><div><strong>REPOSITORY</strong><div><div>R165 Akonadi </div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a href="https://phabricator.kde.org/D16555">https://phabricator.kde.org/D16555</a></div></div><br /><div><strong>To: </strong>dkurz, KDE PIM, dvratil<br /><strong>Cc: </strong>dvratil, kde-pim, dvasin, rodsevich, winterz, vkrause, mlaurent, knauss<br /></div>