diff options
| author | Jędrzej Nowacki <jedrzej.nowacki@nokia.com> | 2012-03-06 15:12:06 +0100 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-07 12:31:46 +0100 |
| commit | 7439fb47cd7c5731dd1aadeaf10c46b58aa59798 (patch) | |
| tree | a5ea8f5d7cf4e8dac8a765977fcf2ed93494dd14 /src/corelib/kernel/qmetatype.h | |
| parent | f72cbc7ce476b48f75a2b8b31c3e3ea0ac96bd11 (diff) | |
Add nicer error message in qMetaTypeId function.
The function can be used only with a registered type and it would fail
to compile for other types. By adding the static assert we can print
an almost user friendly compilation error message.
Change-Id: I59ab148cabf32afe0baef186b82cb03303b57780
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Diffstat (limited to 'src/corelib/kernel/qmetatype.h')
| -rw-r--r-- | src/corelib/kernel/qmetatype.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index 7f6eaf2230..eacb8403dc 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -484,6 +484,7 @@ inline int qMetaTypeId( #endif ) { + Q_STATIC_ASSERT_X(QMetaTypeId2<T>::Defined, "Type is not registered, please use Q_DECLARE_METATYPE macro to make it know to Qt's meta-object system"); return QMetaTypeId2<T>::qt_metatype_id(); } |