[Interest] QStringLiteral and UTF-16 string literal "u"
Cathal Tummon (ctummon)
ctummon at cisco.com
Thu Jan 5 16:38:03 CET 2023
Apologies, ignore my last message , I see the issue now...
There is a problem with u"" "myString" (like the macro QStringLiteral uses) vs. u"mystring".
Thanks for your time!
-----Original Message-----
From: Cathal Tummon (ctummon)
Sent: 05 January 2023 16:31
To: Thiago Macieira <thiago.macieira at intel.com>; interest at qt-project.org
Subject: RE: [Interest] QStringLiteral and UTF-16 string literal "u"
Sorry to drag this out, but even if my compiler is broken.
By the looks of it I do not need to manually add the "u" , it seems to be added by the QStringLiteral() macro itself?
-----Original Message-----
From: Thiago Macieira <thiago.macieira at intel.com>
Sent: 05 January 2023 16:20
To: interest at qt-project.org
Cc: Cathal Tummon (ctummon) <ctummon at cisco.com>
Subject: Re: [Interest] QStringLiteral and UTF-16 string literal "u"
On Thursday, 5 January 2023 11:54:58 -03 Cathal Tummon (ctummon) via Interest
wrote:
> Sorry to clarify, I'm not questing why it is needed, my question is,
> is the following redundant: QStringLiteral(u"myText")
>
> As in the source code for QStringLiteral there is another macro:
> #define QT_UNICODE_LITERAL(str) u"" str
>
> Which always seems to be used, is that correct?
Correct. The u is not required for any compliant compiler. The problem is only if your compiler is broken (i.e., MSVC).
See the discussion on commit d80b0eb12c477592b590b768e21dc26c137beadc[1] and on the MSFT bug report.
[1] https://code.qt.io/cgit/qt/qtbase.git/commit/?
id=d80b0eb12c477592b590b768e21dc26c137beadc
--
Thiago Macieira - thiago.macieira (AT) intel.com
Cloud Software Architect - Intel DCAI Cloud Engineering
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