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feat(miscellaneous): add IndirectlySwap family functions for iterators

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Redstone1024 2024-12-08 20:40:52 +08:00
parent 89dc5b715e
commit 8113d3b39b
1 changed files with 34 additions and 0 deletions
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34
Redcraft.Utility/Source/Public/Miscellaneous/Iterator.h
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@ -192,6 +192,40 @@ FORCEINLINE constexpr I Prev(I Iter, TMakeUnsigned<ptrdiff> N = 1)
NAMESPACE_END(Iteration)
template <CIndirectlyReadable J, CIndirectlyWritable<TIteratorReferenceType<J>> I>
FORCEINLINE void IndirectlyCopy(I&& Iter, J&& Jter)
{
*Iter = *Jter;
}
template <CIndirectlyReadable J, CIndirectlyWritable<TIteratorRValueReferenceType<J>> I>
FORCEINLINE void IndirectlyMove(I&& Iter, J&& Jter)
{
*Iter = MoveTemp(*Jter);
}
template <CIndirectlyReadable I, CIndirectlyReadable J> requires (CSwappable<TIteratorReferenceType<I>, TIteratorReferenceType<J>>)
FORCEINLINE void IndirectlySwap(I&& Iter, J&& Jter)
{
Swap(*Iter, *Jter);
}
template <typename I, typename J>
concept CIndirectlyCopyable = requires(const I Iter, const J Jter) { IndirectlyCopy(Iter, Jter); };
template <typename I, typename J>
concept CIndirectlyMovable = requires(const I Iter, const J Jter) { IndirectlyMove(Iter, Jter); };
template <typename I, typename J>
concept CIndirectlySwappable = CIndirectlyReadable<I> && CIndirectlyReadable<J>
&& requires(const I Iter, const J Jter)
{
IndirectlySwap(Iter, Iter);
IndirectlySwap(Jter, Jter);
IndirectlySwap(Iter, Jter);
IndirectlySwap(Jter, Iter);
};
/** A iterator adaptor for reverse-order traversal. */
template <CBidirectionalIterator I>
class TReverseIterator final