fix(iterator): fix some iterator adapter implementation bugs

This commit is contained in:
Redstone1024 2024-12-19 20:48:21 +08:00
parent a0250ebaf8
commit 566052c8c2
2 changed files with 9 additions and 10 deletions

View File

@ -67,12 +67,12 @@ public:
}
template <CInputOrOutputIterator J> requires (CCommonType<I, J>)
NODISCARD friend FORCEINLINE constexpr bool operator==(const TCountedIterator& LHS, const TCountedIterator<J>& RHS) { return LHS.Length == RHS.Length; }
NODISCARD friend FORCEINLINE constexpr bool operator==(const TCountedIterator& LHS, const TCountedIterator<J>& RHS) { return LHS.Num() == RHS.Num(); }
template <CInputOrOutputIterator J> requires (CCommonType<I, J>)
NODISCARD friend FORCEINLINE constexpr strong_ordering operator<=>(const TCountedIterator& LHS, const TCountedIterator<J>& RHS) { return LHS.Length <=> RHS.Length; }
NODISCARD friend FORCEINLINE constexpr strong_ordering operator<=>(const TCountedIterator& LHS, const TCountedIterator<J>& RHS) { return LHS.Num() <=> RHS.Num(); }
NODISCARD FORCEINLINE constexpr bool operator==(FDefaultSentinel) const& { return Length == static_cast<ptrdiff>(0); }
NODISCARD FORCEINLINE constexpr bool operator==(FDefaultSentinel) const& { return Num() == static_cast<ptrdiff>(0); }
NODISCARD FORCEINLINE constexpr TIteratorReference<I> operator*() { CheckThis(true); return *GetBase(); }
NODISCARD FORCEINLINE constexpr TIteratorReference<I> operator*() const requires (CDereferenceable<const I>) { CheckThis(true); return *GetBase(); }
@ -97,7 +97,7 @@ public:
NODISCARD friend FORCEINLINE constexpr TCountedIterator operator+(ptrdiff Offset, TCountedIterator Iter) requires (CRandomAccessIterator<I>) { return Iter + Offset; }
template <CInputOrOutputIterator J> requires (CCommonType<I, J>)
NODISCARD friend FORCEINLINE constexpr ptrdiff operator-(const TCountedIterator& LHS, const TCountedIterator<J>& RHS) { LHS.CheckThis(); RHS.CheckThis(); return LHS.Length - RHS.Length; }
NODISCARD friend FORCEINLINE constexpr ptrdiff operator-(const TCountedIterator& LHS, const TCountedIterator<J>& RHS) { return RHS.Num() - LHS.Num(); }
NODISCARD friend FORCEINLINE constexpr ptrdiff operator-(const TCountedIterator& LHS, FDefaultSentinel) { LHS.CheckThis(); return -LHS.Num(); }
NODISCARD friend FORCEINLINE constexpr ptrdiff operator-(FDefaultSentinel, const TCountedIterator& RHS) { RHS.CheckThis(); return RHS.Num(); }
@ -121,9 +121,6 @@ private:
checkf(!(bExceptEnd && Length == static_cast<ptrdiff>(0)), TEXT("Read access violation. Please check Num()."));
}
template <CInputOrOutputIterator J>
friend class TCountedIterator;
};
static_assert( CInputIterator<TCountedIterator< IInputIterator<int&>>>);

View File

@ -1,10 +1,12 @@
#pragma once
#include "CoreTypes.h"
#include "Iterator/Utility.h"
#include "TypeTraits/TypeTraits.h"
#include "Templates/Noncopyable.h"
#include "Iterator/Utility.h"
#include "Templates/Utility.h"
#include "Templates/Noncopyable.h"
#include "Templates/Invoke.h"
#include "Miscellaneous/AssertionMacros.h"
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
@ -142,7 +144,7 @@ NODISCARD FORCEINLINE constexpr auto MakeBackInserter(C& Container)
template <typename C>
NODISCARD FORCEINLINE constexpr auto MakeInserter(C& Container, const typename C::FConstIterator& InIter)
{
return NAMESPACE_PRIVATE::TInsertIterator([&Container, Iter = InIter]<typename T>(T&& A) mutable { Iter = Container.Insert(Iter, Forward<T>(A)); });
return NAMESPACE_PRIVATE::TInsertIterator([&Container, Iter = InIter]<typename T>(T&& A) mutable { Iter = Container.Insert(Iter, Forward<T>(A)); ++Iter; });
}
NAMESPACE_MODULE_END(Utility)