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refactor(templates): refactor the return value of GetData() to TObserverPtr

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This commit is contained in:
_Redstone_c_
2023-02-26 19:01:32 +08:00
parent e9f780622f
commit 343ff8d240
3 changed files with 21 additions and 30 deletions
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29
Redcraft.Utility/Source/Public/Templates/Container.h
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@ -3,36 +3,30 @@
#include "CoreTypes.h"
#include "Templates/TypeHash.h"
#include "TypeTraits/Swappable.h"
#include "Memory/ObserverPointer.h"
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
/** @return The pointer to the container element storage. */
template <typename T> requires (requires(T&& Container) { { Container.GetData() } -> CPointer; })
template <typename T> requires (requires(T&& Container) { { Container.GetData() } -> CTObserverPtr; })
FORCEINLINE constexpr decltype(auto) GetData(T&& Container)
{
return Container.GetData();
}
/** Overloads the GetData algorithm for arrays. */
template <typename T, size_t N> FORCEINLINE constexpr T* GetData( T(& Container)[N]) { return Container; }
template <typename T, size_t N> FORCEINLINE constexpr T* GetData( T(&& Container)[N]) { return Container; }
template <typename T, size_t N> FORCEINLINE constexpr const T* GetData(const T(& Container)[N]) { return Container; }
template <typename T, size_t N> FORCEINLINE constexpr const T* GetData(const T(&& Container)[N]) { return Container; }
/** Overloads the GetData algorithm for T::data(). */
template <typename T> requires (requires(T&& Container) { { Container.data() } -> CPointer; })
FORCEINLINE constexpr decltype(auto) GetData(T&& Container)
{
return Container.data();
}
template <typename T, size_t N> FORCEINLINE constexpr TObserverPtr< T[]> GetData( T(& Container)[N]) { return TObserverPtr< T[]>(Container); }
template <typename T, size_t N> FORCEINLINE constexpr TObserverPtr< T[]> GetData( T(&& Container)[N]) { return TObserverPtr< T[]>(Container); }
template <typename T, size_t N> FORCEINLINE constexpr TObserverPtr<const T[]> GetData(const T(& Container)[N]) { return TObserverPtr<const T[]>(Container); }
template <typename T, size_t N> FORCEINLINE constexpr TObserverPtr<const T[]> GetData(const T(&& Container)[N]) { return TObserverPtr<const T[]>(Container); }
/** Overloads the GetData algorithm for initializer_list. */
template <typename T>
FORCEINLINE constexpr const T* GetData(initializer_list<T> Container)
FORCEINLINE constexpr TObserverPtr<const T[]> GetData(initializer_list<T> Container)
{
return Container.begin();
return TObserverPtr<const T[]>(Container.begin());
}
/** @return The number of elements in the container. */
@ -48,13 +42,6 @@ template <typename T, size_t N> FORCEINLINE constexpr size_t GetNum( T(&& C
template <typename T, size_t N> FORCEINLINE constexpr size_t GetNum(const T(& Container)[N]) { return N; }
template <typename T, size_t N> FORCEINLINE constexpr size_t GetNum(const T(&& Container)[N]) { return N; }
/** Overloads the GetNum algorithm for T::size(). */
template <typename T> requires (requires(T&& Container) { { Container.size() } -> CConvertibleTo<size_t>; })
FORCEINLINE constexpr decltype(auto) GetNum(T&& Container)
{
return Container.size();
}
/** Overloads the GetNum algorithm for initializer_list. */
template <typename T>
FORCEINLINE constexpr size_t GetNum(initializer_list<T> Container)