[Development] QThread::create mandatory in Qt 6?

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Mon Nov 16 02:50:14 CET 2020

On 15/11/2020 01:37, Thiago Macieira wrote:
> Anyway, the question remains: can we remove the configure-time check and
> assume std::future and std::async (C++11 standard library features) are
> present?

The alternative is reimplement QThread::create in a way that doesn't 
need async/future at all. It's just kind of annoying that that's the 
only (?) building block provided by the stdlib to apply decay-copy, call 
it in the new thread in a type-erased way, destroy the data when done, etc.

I'm not exactly volunteering. Also, it can be done after 6.0 without 
breaking ABI (it just depends on one exported symbol, the rest is inline).

Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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