[Development] qsizetype and classes working with QStrings or QList

Mathias Hasselmann mathias at taschenorakel.de
Mon Aug 24 09:46:43 CEST 2020


Am 24.08.2020 um 09:26 schrieb Giuseppe D'Angelo via Development:

> On 23/08/2020 16:06, Marcel Krems wrote:
>> If they keep using int there could be a lot of warnings like this one:
>> warning: implicit conversion loses integer precision: 'qsizetype' (aka
>> 'long long') to 'int' [-Wshorten-64-to-32]
>
> I'm afraid that these warnings will be all over the place anyhow. Just 
> how much code has been written against int-based APIs? (For the 
> record, that's why I wanted a configure time switch to choose the size 
> of qsizetype).
>
> But anyhow: yes, as a consistency factor, as many APIs as possible 
> should be ported to qsizetype. Could you please file a bug report?

C++ also has a solution for that problem: 
https://herbsutter.com/2013/08/12/gotw-94-solution-aaa-style-almost-always-auto/

Ciao,
Mathias
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/development/attachments/20200824/ea0a60ad/attachment-0001.html>


More information about the Development mailing list