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QTypeInfo: remove docs about how Qt's autodetection works

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I don't think we should document *exactly* how we autodetect
primitive/relocatable types: we've been changing the detection across
Qt versions because sometimes we realized that it was wrong.
Moreover, no one else but us should be using the traits in question (in
other words: QTypeInfo itself isn't public API).

Pick-to: 6.5 6.2
Change-Id: Ie6e763f152e7dc0f6ce58869dbbd529240d2a546
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit ae361f00b3f4827e62a19cc451227c9892b51f2e)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Giuseppe D'Angelo 2024-04-05 20:15:39 +02:00 committed by Qt Cherry-pick Bot
parent bc9d2230d8
commit 5ba6f77f8c
1 changed files with 2 additions and 9 deletions
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11
src/corelib/global/qtypeinfo.qdoc
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@ -41,15 +41,8 @@
\snippet code/src_corelib_global_qglobal.cpp 39
Qt will try to detect the class of a type using
\l {https://en.cppreference.com/w/cpp/types/is_trivial} {std::is_trivial_v<T>}
to identify primitive
types and it will require both
\l {https://en.cppreference.com/w/cpp/types/is_trivially_copyable} {std::is_trivially_copyable_v<T>}
and
\l {https://en.cppreference.com/w/cpp/types/is_destructible} {std::is_trivially_destructible_v<T>}
to identify relocatable types.
Use this macro to tune the behavior.
Qt will try to detect the class of a type using standard C++ type traits;
use this macro to tune the behavior.
For instance many types would be candidates for Q_RELOCATABLE_TYPE despite
not being trivially-copyable.
*/