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Fabian Kosmale f564e905c1 QVariant: Support emplace
[ChangeLog][QtCore][QVariant] Implemented in-place construction for
QVariant. The constructor taking std::in_place_type<Type> constructs
an object of type Type directly inside QVariant's storage, without any
further copy or move operations. QVariant::emplace() does the same
when replacing the content of an existing QVariant and tries to reuse
previously-allocated memory.

Fixes: QTBUG-112187
Change-Id: I16614ad701fa3bb583976ed2001bb312f119a51f
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
2023-06-02 09:13:08 +02:00
.github/workflows Repair github action workflow 2021-11-10 18:57:33 +01:00
bin Add simple project generation based on existing source files 2023-02-08 12:59:19 +01:00
cmake Set QT_FORCE_FEATURE_neon to ON for x86_64h arch as well, on macOS 2023-06-01 22:27:06 +02:00
coin Add Axivion analysis commands 2023-05-17 14:04:48 +03:00
config.tests Remove the mandatory x86-64 features from its feature list 2023-05-31 14:55:37 -07:00
dist Add Qt 6.0.0 changes file 2020-11-16 10:02:08 +02:00
doc Remove the "classwizard" example 2023-05-16 18:33:18 +02:00
examples Polish forward decl in vulkan and opengl examples 2023-06-01 09:09:49 +02:00
lib
libexec Pass native path in qt-internal-configure-tests 2023-04-17 23:32:34 +02:00
LICENSES Clarify license of SHA-1 algorithm 2023-04-26 16:36:18 +02:00
mkspecs iOS: Don't add Qt libraries to PRE_TARGETDEPS of xcodebuild Makefile 2023-05-10 16:37:47 +02:00
qmake CMake: make compile options consistent for Qt created libraries 2023-05-31 01:08:45 +00:00
src QVariant: Support emplace 2023-06-02 09:13:08 +02:00
tests QVariant: Support emplace 2023-06-02 09:13:08 +02:00
util qsimd_x86: update from upstream and enable a few more features 2023-05-26 16:22:22 -07:00
.cmake.conf Centralize copyright information for Qt 2023-03-20 13:03:44 +01:00
.gitattributes Give batch files CRLF line endings 2020-11-04 15:02:29 +00:00
.gitignore git: ignore ._* files 2023-03-28 10:44:57 +02:00
.lgtm.yml Skip LGTM analysis for the bootstrap library and tools 2020-07-16 01:04:34 +02:00
.tag
CMakeLists.txt Introduce QT_ALLOW_SYMLINK_IN_PATHS flag 2023-05-03 19:44:45 +02:00
conanfile.py Conan: Do not force 'qt_host_path' usage in cross-build context 2022-06-22 18:18:42 +03:00
config_help.txt Remove the -sysroot option from configure 2023-05-12 09:46:24 +02:00
configure Retrieve an old -redo behavior 2023-02-07 18:51:58 +00:00
configure.bat Retrieve an old -redo behavior 2023-02-07 18:51:58 +00:00
configure.cmake configure: Make -ccache work for msvc 2023-05-09 23:21:13 +02:00
dependencies.yaml
qt_cmdline.cmake Remove the -no-gcc-sysroot configure option 2023-05-26 17:44:53 +02:00
sync.profile rhi: Make it a QPA-style private but semi-public API 2023-05-21 15:42:58 +02:00