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Diffstat (limited to 'src/corelib/tools/qscopedvaluerollback.h')
-rw-r--r-- | src/corelib/tools/qscopedvaluerollback.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/corelib/tools/qscopedvaluerollback.h b/src/corelib/tools/qscopedvaluerollback.h index 53a31e4675..0ae3efd0c0 100644 --- a/src/corelib/tools/qscopedvaluerollback.h +++ b/src/corelib/tools/qscopedvaluerollback.h @@ -9,14 +9,16 @@ QT_BEGIN_NAMESPACE template <typename T> -class [[nodiscard]] QScopedValueRollback +class QScopedValueRollback { public: + Q_NODISCARD_CTOR explicit constexpr QScopedValueRollback(T &var) : varRef(var), oldValue(var) { } + Q_NODISCARD_CTOR explicit constexpr QScopedValueRollback(T &var, T value) : varRef(var), oldValue(std::move(var)) // ### C++20: std::exchange(var, std::move(value)) { |