Redcraft/Redcraft.Utility/Source/Public/Templates/Container.h

92 lines
3.2 KiB
C++

#pragma once
#include "CoreTypes.h"
#include "Templates/TypeHash.h"
#include "TypeTraits/Swappable.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; })
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();
}
/** Overloads the GetData algorithm for initializer_list. */
template <typename T>
FORCEINLINE constexpr const T* GetData(initializer_list<T> Container)
{
return Container.begin();
}
/** @return The number of elements in the container. */
template <typename T> requires (requires(T&& Container) { { Container.Num() } -> CConvertibleTo<size_t>; })
FORCEINLINE constexpr decltype(auto) GetNum(T&& Container)
{
return Container.Num();
}
/** Overloads the GetNum algorithm for arrays. */
template <typename T, size_t N> FORCEINLINE constexpr size_t GetNum( T(& Container)[N]) { return N; }
template <typename T, size_t N> FORCEINLINE constexpr size_t GetNum( T(&& Container)[N]) { return N; }
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)
{
return Container.size();
}
/** Overloads the Swap algorithm for arrays. */
template <typename T, size_t N> requires (CSwappable<TRemoveAllExtents<T>>)
FORCEINLINE constexpr void Swap(T(&A)[N], T(&B)[N])
{
for (size_t Index = 0; Index < N; ++Index)
{
Swap(A[Index], B[Index]);
}
}
/** Overloads the GetTypeHash algorithm for arrays. */
template <typename T, size_t N> requires (CHashable<TRemoveAllExtents<T>>)
FORCEINLINE constexpr size_t GetTypeHash(T(&A)[N])
{
size_t Result = 3516520171;
for (size_t Index = 0; Index < N; ++Index)
{
Result = HashCombine(Result, GetTypeHash(A[Index]));
}
return Result;
}
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END