diff options
| author | Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> | 2015-04-11 13:14:36 +0200 |
|---|---|---|
| committer | Giuseppe D'Angelo <giuseppe.dangelo@kdab.com> | 2015-04-11 22:09:30 +0000 |
| commit | 16c32710bc8a5ecefc833352159361be564f3fe4 (patch) | |
| tree | 0c383dd3834aa49ef8bb5d67c5f98fd63080c61f /src/corelib | |
| parent | 11bd02e4c2f96d904c532e568089596af02e8593 (diff) | |
QPointer: add a static assertion to help the user when using a wrong template type
Sometimes people mistype QPointer<Foo *> when they actually must
use QPointer<Foo>, add a static assertion for an improved error message
(rather than the usual weird template mess).
Change-Id: Ic77e3e752ac1906b94f3432eaededf0f7a2737be
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/kernel/qpointer.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/corelib/kernel/qpointer.h b/src/corelib/kernel/qpointer.h index af7c11e4d7..07649ce0b2 100644 --- a/src/corelib/kernel/qpointer.h +++ b/src/corelib/kernel/qpointer.h @@ -35,6 +35,7 @@ #define QPOINTER_H #include <QtCore/qsharedpointer.h> +#include <QtCore/qtypeinfo.h> #ifndef QT_NO_QOBJECT @@ -45,6 +46,8 @@ class QVariant; template <class T> class QPointer { + Q_STATIC_ASSERT_X(!QtPrivate::is_pointer<T>::value, "QPointer's template type must not be a pointer type"); + template<typename U> struct TypeSelector { |