path: root/src/corelib/global/qglobal.cpp
diff options
Diffstat (limited to 'src/corelib/global/qglobal.cpp')
1 files changed, 8 insertions, 1 deletions
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 8125161897..7d518cbcd8 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -2518,7 +2518,9 @@ int qrand()
\li \c Q_PRIMITIVE_TYPE specifies that \a Type is a POD (plain old
- data) type with no constructor or destructor.
+ data) type with no constructor or destructor, or else a type where
+ every bit pattern is a valid object and memcpy() creates a valid
+ independent copy of the object.
\li \c Q_MOVABLE_TYPE specifies that \a Type has a constructor
and/or a destructor but can be moved in memory using \c
@@ -2531,6 +2533,11 @@ int qrand()
\snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 38
+ An example of a non-POD "primitive" type is QUuid: Even though
+ QUuid has constructors (and therefore isn't POD), every bit
+ pattern still represents a valid object, and memcpy() can be used
+ to create a valid independent copy of a QUuid object.
Example of a movable type:
\snippet doc/src/snippets/code/src_corelib_global_qglobal.cpp 39