On 21 Apr 2017, at 12:53, Konstantin Tokarev 
<[email protected]<mailto:[email protected]>> wrote:



21.04.2017, 13:45, "Milian Wolff" 
<[email protected]<mailto:[email protected]>>:
On Freitag, 21. April 2017 12:10:07 CEST Marc Mutz wrote:
 Hi,

 Jedrzej asked me to raise the issue here.

 Rationale for both allowing, as well as for why I think the rationale for
 the existing ban is wrong, is included in the commit message:

   https://codereview.qt-project.org/192269

I for one welcome this change. I always cringed when I wrote code such as

    QCOMPARE(getSomeQUint64(), 0)

and it would fail to compile, forcing me to write ugly code such as

    QCOMPARE(getSomeQUint64(), quint64(0))

I've also come across code that failed to compile some platforms, since it
used something like 0l or 0ll which did not match whatever platform-specific
type was used on the lhs...

So, from my side a clear +1!

Another case: comparing QString or QByteArray on one side with const char*
literal, or with expression which returns QStringBuilder

Implicit conversions from QByteArray/const char * to QString was one of the 
reasons we didn't want this in the past (Qt 4), as those conversions were 
locale dependent. That is of course less of a problem since Qt 5.0.

Cheers,
Lars



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Milian Wolff | [email protected]<mailto:[email protected]> | Software 
Engineer
KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
Tel: +49-30-521325470
KDAB - The Qt Experts
,

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Regards,
Konstantin
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