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author | Olivier Goffart <ogoffart@woboq.com> | 2015-02-10 09:37:21 +0100 |
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committer | Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com> | 2015-02-14 00:25:01 +0000 |
commit | 2ad8c14d386470893da19568e4225fcb3bf58914 (patch) | |
tree | c0e416b665570ba5d07dd20fdc2d34741a8d3223 /src/corelib/kernel/qmetatype.h | |
parent | 9ddfa43e023f06387eb3360cc2e15bfff68ffe5f (diff) |
QMetaType: improve docs and comments
Change-Id: I7bcc8cec95eb5abda75d936732b1113b943622dc
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/corelib/kernel/qmetatype.h')
-rw-r--r-- | src/corelib/kernel/qmetatype.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h index b743e78890..9659c015ff 100644 --- a/src/corelib/kernel/qmetatype.h +++ b/src/corelib/kernel/qmetatype.h @@ -1369,6 +1369,9 @@ namespace QtPrivate template<typename T> struct IsQEnumHelper { static const T &declval(); + // If the type was declared with Q_ENUM, the friend qt_getEnumMetaObject(T) declared in the + // Q_ENUM macro will be chosen by ADL, and the return type will be QMetaObject*. + // Otherwise the chosen overload will be qt_getEnumMetaObject(...) which returne 'char' enum { Value = sizeof(qt_getEnumMetaObject(declval())) == sizeof(QMetaObject*) }; }; |