diff options
Diffstat (limited to 'src/corelib/tools/qshareddata.cpp')
| -rw-r--r-- | src/corelib/tools/qshareddata.cpp | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/src/corelib/tools/qshareddata.cpp b/src/corelib/tools/qshareddata.cpp index f95d75c4a8..bc4291e20f 100644 --- a/src/corelib/tools/qshareddata.cpp +++ b/src/corelib/tools/qshareddata.cpp @@ -142,9 +142,7 @@ QT_BEGIN_NAMESPACE would just predeclare the private subclass \c EmployeeData in \c {employee.h} this way: - \code - class EmployeeData; - \endcode + \snippet code/src_corelib_tools_qshareddata.cpp 0 If we had done it that way here, the copy constructor shown would be required. Since the copy constructor is trivial, you might as well @@ -396,13 +394,7 @@ QT_BEGIN_NAMESPACE a template-specialization of this function for your own type, like the example below: - \code - template<> - EmployeeData *QSharedDataPointer<EmployeeData>::clone() - { - return d->clone(); - } - \endcode + \snippet code/src_corelib_tools_qshareddata.cpp 1 In the example above, the template specialization for the clone() function calls the \e {EmployeeData::clone()} virtual function. A @@ -554,10 +546,7 @@ QT_BEGIN_NAMESPACE \warning relying on such \c{static_cast} is potentially dangerous, because it allows code like this to compile: - \code - QExplicitlySharedDataPointer<Base> base(new Base); - QExplicitlySharedDataPointer<Derived> derived(base); // !!! DANGER !!! - \endcode + \snippet code/src_corelib_tools_qshareddata.cpp 2 Starting from Qt 5.4 the cast is disabled by default. It is possible to enable it back by defining the |