Redstone1024/Redcraft
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refactor(typetraits): replaces template class type traits with concepts at all

Browse Source
This commit is contained in:
_Redstone_c_
2022-05-20 23:35:36 +08:00
parent 6a5a101af4
commit ee46d84897
36 changed files with 292 additions and 554 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
Redcraft.Utility/Source/Public/Templates/Optional.h
View File

@ -3,7 +3,6 @@
#include "CoreTypes.h"
#include "Templates/Utility.h"
#include "Templates/TypeHash.h"
#include "Concepts/Comparable.h"
#include "TypeTraits/TypeTraits.h"
#include "Miscellaneous/Compare.h"
#include "Miscellaneous/AssertionMacros.h"
@ -19,18 +18,18 @@ private:
template <typename T>
struct TAllowUnwrapping : TBoolConstant<!(
CConstructible<OptionalType, TOptional<T>& >
|| CConstructible<OptionalType, const TOptional<T>& >
|| CConstructible<OptionalType, TOptional<T>&&>
|| CConstructible<OptionalType, const TOptional<T>&&>
CConstructibleFrom<OptionalType, TOptional<T>& >
|| CConstructibleFrom<OptionalType, const TOptional<T>& >
|| CConstructibleFrom<OptionalType, TOptional<T>&&>
|| CConstructibleFrom<OptionalType, const TOptional<T>&&>
|| CConvertibleTo< TOptional<T>&, OptionalType>
|| CConvertibleTo<const TOptional<T>&, OptionalType>
|| CConvertibleTo< TOptional<T>&&, OptionalType>
|| CConvertibleTo<const TOptional<T>&&, OptionalType>
|| CAssignable<OptionalType&, TOptional<T>& >
|| CAssignable<OptionalType&, const TOptional<T>& >
|| CAssignable<OptionalType&, TOptional<T>&&>
|| CAssignable<OptionalType&, const TOptional<T>&&>
|| CAssignableFrom<OptionalType&, TOptional<T>& >
|| CAssignableFrom<OptionalType&, const TOptional<T>& >
|| CAssignableFrom<OptionalType&, TOptional<T>&&>
|| CAssignableFrom<OptionalType&, const TOptional<T>&&>
)> { };
public:
@ -41,14 +40,14 @@ public:
constexpr TOptional(FInvalid) : TOptional() { }
template <typename... Types> requires CConstructible<OptionalType, Types...>
template <typename... Types> requires CConstructibleFrom<OptionalType, Types...>
constexpr explicit TOptional(FInPlace, Types&&... Args)
: bIsValid(true)
{
new(&Value) OptionalType(Forward<Types>(Args)...);
}
template <typename T = OptionalType> requires CConstructible<OptionalType, T&&>
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, T&&>
&& (!CSameAs<typename TRemoveCVRef<T>::Type, FInPlace>) && (!CSameAs<typename TRemoveCVRef<T>::Type, TOptional>)
constexpr explicit (!CConvertibleTo<T&&, OptionalType>) TOptional(T&& InValue)
: TOptional(InPlace, Forward<T>(InValue))
@ -66,14 +65,14 @@ public:
if (InValue.IsValid()) new(&Value) OptionalType(MoveTemp(InValue.GetValue()));
}
template <typename T = OptionalType> requires CConstructible<OptionalType, const T&> && TAllowUnwrapping<T>::Value
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, const T&> && TAllowUnwrapping<T>::Value
constexpr explicit (!CConvertibleTo<const T&, OptionalType>) TOptional(const TOptional<T>& InValue)
: bIsValid(InValue.IsValid())
{
if (InValue.IsValid()) new(&Value) OptionalType(InValue.GetValue());
}
template <typename T = OptionalType> requires CConstructible<OptionalType, T&&> && TAllowUnwrapping<T>::Value
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, T&&> && TAllowUnwrapping<T>::Value
constexpr explicit (!CConvertibleTo<T&&, OptionalType>) TOptional(TOptional<T>&& InValue)
: bIsValid(InValue.IsValid())
{
@ -125,7 +124,7 @@ public:
return *this;
}
template <typename T = OptionalType> requires CConstructible<OptionalType, const T&> && CAssignable<OptionalType&, const T&> && TAllowUnwrapping<T>::Value
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, const T&> && CAssignableFrom<OptionalType&, const T&> && TAllowUnwrapping<T>::Value
constexpr TOptional& operator=(const TOptional<T>& InValue)
{
if (!InValue.IsValid())
@ -144,7 +143,7 @@ public:
return *this;
}
template <typename T = OptionalType> requires CConstructible<OptionalType, T&&> && CAssignable<OptionalType&, T&&> && TAllowUnwrapping<T>::Value
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, T&&> && CAssignableFrom<OptionalType&, T&&> && TAllowUnwrapping<T>::Value
constexpr TOptional& operator=(TOptional<T>&& InValue)
{
if (!InValue.IsValid())
@ -163,7 +162,7 @@ public:
return *this;
}
template <typename T = OptionalType> requires CConstructible<OptionalType, T&&> && CAssignable<OptionalType&, T&&>
template <typename T = OptionalType> requires CConstructibleFrom<OptionalType, T&&> && CAssignableFrom<OptionalType&, T&&>
constexpr TOptional& operator=(T&& InValue)
{
if (IsValid()) GetValue() = Forward<T>(InValue);
@ -176,7 +175,7 @@ public:
return *this;
}
template <typename... ArgTypes> requires CConstructible<OptionalType, ArgTypes...>
template <typename... ArgTypes> requires CConstructibleFrom<OptionalType, ArgTypes...>
constexpr OptionalType& Emplace(ArgTypes&&... Args)
{
Reset();
@ -223,7 +222,7 @@ public:
return NAMESPACE_REDCRAFT::GetTypeHash(GetValue());
}
template <typename T> requires CMoveConstructible<OptionalType> && TIsSwappable<OptionalType>::Value
template <typename T> requires CMoveConstructible<OptionalType> && CSwappable<OptionalType>
constexpr void Swap(TOptional& InValue)
{
if (!IsValid() && !InValue.IsValid()) return;
@ -289,21 +288,27 @@ constexpr TOptional<typename TDecay<T>::Type> MakeOptional(FInvalid)
return TOptional<typename TDecay<T>::Type>(Invalid);
}
template <typename T> requires CDestructible<T> && CConstructible<T, T&&>
template <typename T> requires CDestructible<T> && CConstructibleFrom<T, T&&>
constexpr TOptional<T> MakeOptional(T&& InValue)
{
return TOptional<T>(Forward<T>(InValue));
}
template <typename T, typename... Types> requires CDestructible<T> && CConstructible<T, Types...>
template <typename T, typename... Types> requires CDestructible<T> && CConstructibleFrom<T, Types...>
constexpr TOptional<T> MakeOptional(Types&&... Args)
{
return TOptional<T>(InPlace, Forward<T>(Args)...);
}
NAMESPACE_PRIVATE_BEGIN
template <typename T> struct TIsTOptional : FFalse { };
template <typename T> struct TIsTOptional<TOptional<T>> : FTrue { };
NAMESPACE_PRIVATE_END
template <typename T> concept CTOptional = NAMESPACE_PRIVATE::TIsTOptional<T>::Value;
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END