| namespace sr | namespace sr | ||||
| { | { | ||||
| template<class Deleter> | |||||
| template<class EF> | |||||
| class scope_exit | class scope_exit | ||||
| { | { | ||||
| public: | public: | ||||
| template<class D, | |||||
| std::enable_if_t<std::is_constructible<Deleter, D>::value, int> = 0, | |||||
| std::enable_if_t<(!std::is_lvalue_reference<D>::value) | |||||
| && std::is_nothrow_constructible<Deleter, D>::value, int> = 0 | |||||
| template<class EFP, | |||||
| std::enable_if_t<std::is_constructible<EF, EFP>::value, int> = 0, | |||||
| std::enable_if_t<(!std::is_lvalue_reference<EFP>::value) | |||||
| && std::is_nothrow_constructible<EF, EFP>::value, int> = 0 | |||||
| > | > | ||||
| explicit scope_exit(D&& deleter) : m_exitFunction(std::move(deleter)), | |||||
| explicit scope_exit(EFP&& deleter) : m_exitFunction(std::move(deleter)), | |||||
| m_execute_on_destruction(true) | m_execute_on_destruction(true) | ||||
| { | { | ||||
| } | } | ||||
| template<class D, | |||||
| std::enable_if_t<std::is_constructible<Deleter, D>::value, int> = 0, | |||||
| std::enable_if_t<std::is_lvalue_reference<D>::value, int> = 0 | |||||
| template<class EFP, | |||||
| std::enable_if_t<std::is_constructible<EF, EFP>::value, int> = 0, | |||||
| std::enable_if_t<std::is_lvalue_reference<EFP>::value, int> = 0 | |||||
| > | > | ||||
| explicit scope_exit(D&& deleter) try : m_exitFunction(deleter), | |||||
| explicit scope_exit(EFP&& deleter) try : m_exitFunction(deleter), | |||||
| m_execute_on_destruction(true) | m_execute_on_destruction(true) | ||||
| { | { | ||||
| } | } | ||||
| scope_exit(const scope_exit&) = delete; | scope_exit(const scope_exit&) = delete; | ||||
| template<class T = Deleter, | |||||
| template<class T = EF, | |||||
| std::enable_if_t<std::is_nothrow_move_constructible<T>::value, int> = 0 | std::enable_if_t<std::is_nothrow_move_constructible<T>::value, int> = 0 | ||||
| > | > | ||||
| scope_exit(scope_exit&& other) : m_exitFunction(std::move(other.m_exitFunction)), | scope_exit(scope_exit&& other) : m_exitFunction(std::move(other.m_exitFunction)), | ||||
| other.release(); | other.release(); | ||||
| } | } | ||||
| template<class T = Deleter, | |||||
| template<class T = EF, | |||||
| std::enable_if_t<!std::is_nothrow_move_constructible<T>::value, int> = 0 | std::enable_if_t<!std::is_nothrow_move_constructible<T>::value, int> = 0 | ||||
| > | > | ||||
| scope_exit(scope_exit&& other) : m_exitFunction(other.m_exitFunction), | scope_exit(scope_exit&& other) : m_exitFunction(other.m_exitFunction), | ||||
| private: | private: | ||||
| Deleter m_exitFunction; | |||||
| EF m_exitFunction; | |||||
| bool m_execute_on_destruction; | bool m_execute_on_destruction; | ||||
| }; | }; | ||||
| template<class Deleter> | |||||
| scope_exit<std::decay_t<Deleter>> make_scope_exit(Deleter&& deleter) | |||||
| template<class EF> | |||||
| scope_exit<std::decay_t<EF>> make_scope_exit(EF&& deleter) | |||||
| { | { | ||||
| return scope_exit<std::decay_t<Deleter>>{std::forward<Deleter>(deleter)}; | |||||
| return scope_exit<std::decay_t<EF>>{std::forward<EF>(deleter)}; | |||||
| } | } | ||||
| } | } |