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return std::forward<T>(value); |
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return std::forward<T>(value); |
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} |
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} |
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template<class T, class U> |
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constexpr T&& cast(U&& u) |
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{ |
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return static_cast<T&&>(const_cast<T&&>(u)); |
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} |
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// TODO: make class and fix noexcept's |
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// TODO: make class and fix noexcept's |
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template<class T> |
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template<class T> |
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struct Wrapper |
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struct Wrapper |
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{ |
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{ |
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template<class TT, class G, std::enable_if_t<std::is_constructible<T, TT>::value, int> = 0> |
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template<class TT, class G, std::enable_if_t<std::is_constructible<T, TT>::value, int> = 0> |
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explicit Wrapper(TT&& value, G&& g) : Wrapper(static_cast<T&&>(value)) |
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explicit Wrapper(TT&& value, G&& g) : Wrapper(cast<T&&>(value)) |
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{ |
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{ |
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g.release(); |
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g.release(); |
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} |
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} |
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return m_value; |
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return m_value; |
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} |
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} |
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void reset(T&& newValue) |
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{ |
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m_value = move_assign_if_noexcept(newValue); |
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} |
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void reset(const T& newValue) |
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{ |
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m_value = newValue; |
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} |
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private: |
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private: |
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Wrapper(const T& value) : m_value(value) |
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Wrapper(const T& value) : m_value(value) |
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template<class T> |
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template<class T> |
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struct Wrapper<T&> |
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struct Wrapper<T&> |
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{ |
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{ |
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template<class TT, class G, std::enable_if_t<std::is_constructible<T, TT>::value, int> = 0> |
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explicit Wrapper(TT&& value, G&& g) : Wrapper(static_cast<T&>(value)) |
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template<class TT, class G, std::enable_if_t<std::is_convertible<TT, T&>::value, int> = 0> |
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explicit Wrapper(TT&& value, G&& g) : m_value(cast<T&>(value)) |
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{ |
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{ |
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g.release(); |
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g.release(); |
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} |
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} |
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{ |
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{ |
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auto se = make_scope_exit([this, &r] { get_deleter()(r); }); |
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auto se = make_scope_exit([this, &r] { get_deleter()(r); }); |
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reset(); |
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reset(); |
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m_resource = move_assign_if_noexcept(r); |
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m_resource.reset(std::forward<RR>(r)); |
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m_execute_on_destruction = true; |
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m_execute_on_destruction = true; |
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se.release(); |
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se.release(); |
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} |
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} |
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} |
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} |
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template<class RR = R, class DD = D, |
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std::enable_if_t<(std::is_nothrow_move_assignable<RR>::value || std::is_nothrow_copy_assignable<RR>::value) |
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&& (std::is_nothrow_copy_assignable<DD>::value || std::is_nothrow_copy_assignable<DD>::value), int> = 0 |
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> |
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unique_resource& operator=(unique_resource&& other) |
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{ |
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if( this != &other ) |
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{ |
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reset(); |
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m_resource = std::forward<RR>(other.m_resource); |
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m_deleter = std::forward<DD>(other.m_deleter); |
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m_execute_on_destruction = std::exchange(other.m_execute_on_destruction, false); |
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|
} |
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|
return *this; |
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} |
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|
//template<class RR = R, class DD = D, |
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|
//std::enable_if_t<(std::is_nothrow_move_assignable<RR>::value || std::is_nothrow_copy_assignable<RR>::value) |
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//&& (std::is_nothrow_copy_assignable<DD>::value || std::is_nothrow_copy_assignable<DD>::value), int> = 0 |
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//> |
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//unique_resource& operator=(unique_resource&& other) |
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//{ |
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|
//if( this != &other ) |
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|
//{ |
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|
//reset(); |
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|
//m_resource = std::forward<RR>(other.m_resource); |
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|
//m_deleter = std::forward<DD>(other.m_deleter); |
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|
//m_execute_on_destruction = std::exchange(other.m_execute_on_destruction, false); |
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|
//} |
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|
|
//return *this; |
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|
|
//} |
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|
|
// FIXME: Needs update |
|
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|
|
unique_resource& operator=(unique_resource&&) = default; |
|
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|
|
unique_resource& operator=(const unique_resource&) = delete; |
|
|
unique_resource& operator=(const unique_resource&) = delete; |
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|