diff options
Diffstat (limited to 'src/corelib/kernel/qcore_mac_p.h')
| -rw-r--r-- | src/corelib/kernel/qcore_mac_p.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h index 447dcd9cbe..3266dc10a8 100644 --- a/src/corelib/kernel/qcore_mac_p.h +++ b/src/corelib/kernel/qcore_mac_p.h @@ -86,8 +86,14 @@ template <typename T, typename U, U (*RetainFunction)(U), void (*ReleaseFunction class QAppleRefCounted { public: - QAppleRefCounted(const T &t = T()) : value(t) {} - QAppleRefCounted(QAppleRefCounted &&other) : value(other.value) { other.value = T(); } + QAppleRefCounted() : value() {} + QAppleRefCounted(const T &t) : value(t) {} + QAppleRefCounted(T &&t) noexcept(std::is_nothrow_move_constructible<T>::value) + : value(std::move(t)) {} + QAppleRefCounted(QAppleRefCounted &&other) + noexcept(std::is_nothrow_move_assignable<T>::value && + std::is_nothrow_move_constructible<T>::value) + : value(qExchange(other.value, T())) {} QAppleRefCounted(const QAppleRefCounted &other) : value(other.value) { if (value) RetainFunction(value); } ~QAppleRefCounted() { if (value) ReleaseFunction(value); } operator T() const { return value; } @@ -96,6 +102,8 @@ public: QAppleRefCounted &operator=(const QAppleRefCounted &other) { QAppleRefCounted copy(other); swap(copy); return *this; } QAppleRefCounted &operator=(QAppleRefCounted &&other) + noexcept(std::is_nothrow_move_assignable<T>::value && + std::is_nothrow_move_constructible<T>::value) { QAppleRefCounted moved(std::move(other)); swap(moved); return *this; } T *operator&() { return &value; } protected: |