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40 | |
41 | #ifndef QVARIANT_P_H |
42 | #define QVARIANT_P_H |
43 | |
44 | // |
45 | // W A R N I N G |
46 | // ------------- |
47 | // |
48 | // This file is not part of the Qt API. It exists purely as an |
49 | // implementation detail. This header file may change from version to |
50 | // version without notice, or even be removed. |
51 | // |
52 | // We mean it. |
53 | // |
54 | |
55 | #include <QtCore/qglobal.h> |
56 | #include <QtCore/qvariant.h> |
57 | #include <QtCore/private/qmetatype_p.h> |
58 | |
59 | QT_BEGIN_NAMESPACE |
60 | |
61 | template <class T> |
62 | inline void v_construct(QVariant::Private *x, const T &t) |
63 | { |
64 | if constexpr (QVariant::Private::CanUseInternalSpace<T>) { |
65 | new (&x->data) T(t); |
66 | x->is_shared = false; |
67 | } else { |
68 | x->data.shared = QVariant::PrivateShared::create(QMetaType::fromType<T>()); |
69 | new (x->data.shared->data()) T(t); |
70 | x->is_shared = true; |
71 | } |
72 | } |
73 | |
74 | QT_END_NAMESPACE |
75 | |
76 | #endif // QVARIANT_P_H |
77 | |