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perf(templates): simplify the requires for TUniquePtr and rename something

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This commit is contained in:
_Redstone_c_ 2023-01-06 19:24:15 +08:00
parent 1a5f3c9c54
commit 4f4a351316
1 changed files with 27 additions and 30 deletions
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55
Redcraft.Utility/Source/Public/Templates/UniquePointer.h
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@ -2,6 +2,7 @@
#include "CoreTypes.h"
#include "Templates/Utility.h"
#include "Templates/Noncopyable.h"
#include "TypeTraits/PrimaryType.h"
#include "TypeTraits/Miscellaneous.h"
#include "TypeTraits/TypeProperties.h"
@ -14,24 +15,24 @@ NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_PRIVATE_BEGIN
template <typename T, typename E, bool = CEmpty<E> && !CFinal<E>>
class TUniquePtrStorage;
class TUniqueStorage;
template <typename T, typename E>
class TUniquePtrStorage<T, E, true> : private E
class TUniqueStorage<T, E, true> : private E
{
public:
FORCEINLINE constexpr TUniquePtrStorage() = delete;
FORCEINLINE constexpr TUniqueStorage() = delete;
FORCEINLINE constexpr TUniquePtrStorage(T* InPtr) : E(), Pointer(InPtr) { }
FORCEINLINE constexpr TUniqueStorage(T* InPtr) : E(), Pointer(InPtr) { }
template<typename U>
FORCEINLINE constexpr TUniquePtrStorage(T* InPtr, U&& InDeleter) : E(Forward<U>(InDeleter)), Pointer(InPtr) { }
FORCEINLINE constexpr TUniqueStorage(T* InPtr, U&& InDeleter) : E(Forward<U>(InDeleter)), Pointer(InPtr) { }
FORCEINLINE constexpr TUniquePtrStorage(const TUniquePtrStorage&) = delete;
FORCEINLINE constexpr TUniquePtrStorage(TUniquePtrStorage&& InValue) = default;
FORCEINLINE constexpr TUniquePtrStorage& operator=(const TUniquePtrStorage&) = delete;
FORCEINLINE constexpr TUniquePtrStorage& operator=(TUniquePtrStorage&&) = default;
FORCEINLINE constexpr TUniqueStorage(const TUniqueStorage&) = delete;
FORCEINLINE constexpr TUniqueStorage(TUniqueStorage&& InValue) = default;
FORCEINLINE constexpr TUniqueStorage& operator=(const TUniqueStorage&) = delete;
FORCEINLINE constexpr TUniqueStorage& operator=(TUniqueStorage&&) = default;
FORCEINLINE constexpr T*& GetPointer() { return Pointer; }
FORCEINLINE constexpr T* GetPointer() const { return Pointer; }
@ -48,21 +49,21 @@ private:
};
template <typename T, typename E>
class TUniquePtrStorage<T, E, false>
class TUniqueStorage<T, E, false>
{
public:
FORCEINLINE constexpr TUniquePtrStorage() = delete;
FORCEINLINE constexpr TUniqueStorage() = delete;
FORCEINLINE constexpr TUniquePtrStorage(T* InPtr) : E(), Pointer(InPtr) { }
FORCEINLINE constexpr TUniqueStorage(T* InPtr) : E(), Pointer(InPtr) { }
template<typename U>
FORCEINLINE constexpr TUniquePtrStorage(T* InPtr, U&& InDeleter) : Pointer(InPtr), Deleter(Forward<U>(InDeleter)) { }
FORCEINLINE constexpr TUniqueStorage(T* InPtr, U&& InDeleter) : Pointer(InPtr), Deleter(Forward<U>(InDeleter)) { }
FORCEINLINE constexpr TUniquePtrStorage(const TUniquePtrStorage&) = delete;
FORCEINLINE constexpr TUniquePtrStorage(TUniquePtrStorage&& InValue) = default;
FORCEINLINE constexpr TUniquePtrStorage& operator=(const TUniquePtrStorage&) = delete;
FORCEINLINE constexpr TUniquePtrStorage& operator=(TUniquePtrStorage&&) = default;
FORCEINLINE constexpr TUniqueStorage(const TUniqueStorage&) = delete;
FORCEINLINE constexpr TUniqueStorage(TUniqueStorage&& InValue) = default;
FORCEINLINE constexpr TUniqueStorage& operator=(const TUniqueStorage&) = delete;
FORCEINLINE constexpr TUniqueStorage& operator=(TUniqueStorage&&) = default;
FORCEINLINE constexpr T*& GetPointer() { return Pointer; }
FORCEINLINE constexpr T* GetPointer() const { return Pointer; }
@ -122,8 +123,7 @@ struct TDefaultDelete<T[]>
};
/** This is essentially a reference version of TUniquePtr. */
template <typename T, typename E = TDefaultDelete<T>> requires (CObject<T> && !CBoundedArray<T> && !CRValueReference<E>
&& ((!CArray<T> && CInvocable<E, T*>) || (CArray<T> && CInvocable<E, TRemoveExtent<T>*>)))
template <typename T, CInvocable<TRemoveExtent<T>*> E = TDefaultDelete<T>> requires (CObject<T> && !CBoundedArray<T> && !CRValueReference<E>)
class TUniqueRef final : private FSingleton
{
public:
@ -233,7 +233,7 @@ public:
private:
NAMESPACE_PRIVATE::TUniquePtrStorage<T, E> Storage;
NAMESPACE_PRIVATE::TUniqueStorage<T, E> Storage;
};
@ -358,13 +358,12 @@ public:
private:
NAMESPACE_PRIVATE::TUniquePtrStorage<T, E> Storage;
NAMESPACE_PRIVATE::TUniqueStorage<T, E> Storage;
};
/** Single-ownership smart pointer. Use this when you need an object's lifetime to be strictly bound to the lifetime of a single smart pointer. */
template <typename T, typename E = TDefaultDelete<T>> requires (CObject<T> && !CBoundedArray<T> && !CRValueReference<E>
&& ((!CArray<T> && CInvocable<E, T*>) || (CArray<T> && CInvocable<E, TRemoveExtent<T>*>)))
template <typename T, CInvocable<TRemoveExtent<T>*> E = TDefaultDelete<T>> requires (CObject<T> && !CBoundedArray<T> && !CRValueReference<E>)
class TUniquePtr final : private FNoncopyable
{
public:
@ -488,10 +487,9 @@ public:
private:
NAMESPACE_PRIVATE::TUniquePtrStorage<T, E> Storage;
NAMESPACE_PRIVATE::TUniqueStorage<T, E> Storage;
template <typename OtherT, typename OtherE> requires (CObject<OtherT> && !CBoundedArray<OtherT> && !CRValueReference<OtherE>
&& ((!CArray<OtherT> && CInvocable<OtherE, OtherT*>) || (CArray<OtherT> && CInvocable<OtherE, TRemoveExtent<OtherT>*>)))
template <typename OtherT, CInvocable<TRemoveExtent<OtherT>*> OtherE> requires (CObject<OtherT> && !CBoundedArray<OtherT> && !CRValueReference<OtherE>)
friend class TUniquePtr;
};
@ -631,10 +629,9 @@ public:
private:
NAMESPACE_PRIVATE::TUniquePtrStorage<T, E> Storage;
NAMESPACE_PRIVATE::TUniqueStorage<T, E> Storage;
template <typename OtherT, typename OtherE> requires (CObject<OtherT> && !CBoundedArray<OtherT> && !CRValueReference<OtherE>
&& ((!CArray<OtherT> && CInvocable<OtherE, OtherT*>) || (CArray<OtherT> && CInvocable<OtherE, TRemoveExtent<OtherT>*>)))
template <typename OtherT, CInvocable<TRemoveExtent<OtherT>*> OtherE> requires (CObject<OtherT> && !CBoundedArray<OtherT> && !CRValueReference<OtherE>)
friend class TUniquePtr;
};