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

feat(range): add simple view concept and refactor related requires

Browse Source
This commit is contained in:
Redstone1024 2024-12-19 12:04:22 +08:00
parent dd3a366c14
commit e6d525f2c3
3 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
Redcraft.Utility/Source/Public/Range/MoveView.h
View File

@ -34,9 +34,17 @@ public:
FORCEINLINE constexpr explicit TMoveView(V InBase) : Base(MoveTemp(InBase)) { } FORCEINLINE constexpr explicit TMoveView(V InBase) : Base(MoveTemp(InBase)) { }
NODISCARD FORCEINLINE constexpr auto Begin() { return MakeMoveIterator(Range::Begin(Base)); } NODISCARD FORCEINLINE constexpr auto Begin() requires (!CSimpleView<V>)
{
return MakeMoveIterator(Range::Begin(Base));
}
NODISCARD FORCEINLINE constexpr auto End() NODISCARD FORCEINLINE constexpr auto Begin() const requires (CRange<const V>)
{
return MakeMoveIterator(Range::Begin(Base));
}
NODISCARD FORCEINLINE constexpr auto End() requires (!CSimpleView<V>)
{ {
if constexpr (CCommonRange<V>) if constexpr (CCommonRange<V>)
{ {
@ -45,9 +53,7 @@ public:
else return MakeMoveSentinel(Range::End(Base)); else return MakeMoveSentinel(Range::End(Base));
} }
NODISCARD FORCEINLINE constexpr auto Begin() const requires (CRange<const V>) { return MakeMoveIterator(Range::Begin(Base)); } NODISCARD FORCEINLINE constexpr auto End() const requires (CRange<const V>)
NODISCARD FORCEINLINE constexpr auto End() const requires (CRange<const V>)
{ {
if constexpr (CCommonRange<V>) if constexpr (CCommonRange<V>)
{ {

4
Redcraft.Utility/Source/Public/Range/TakeView.h
View File

@ -36,7 +36,7 @@ public:
FORCEINLINE constexpr TTakeView(V InBase, size_t InCount) : Base(MoveTemp(InBase)), Count(InCount) { } FORCEINLINE constexpr TTakeView(V InBase, size_t InCount) : Base(MoveTemp(InBase)), Count(InCount) { }
NODISCARD FORCEINLINE constexpr auto Begin() NODISCARD FORCEINLINE constexpr auto Begin() requires (!CSimpleView<V>)
{ {
if constexpr (CSizedRange<V>) if constexpr (CSizedRange<V>)
{ {
@ -62,7 +62,7 @@ public:
else return MakeCountedIterator(Range::Begin(Base), Count); else return MakeCountedIterator(Range::Begin(Base), Count);
} }
NODISCARD FORCEINLINE constexpr auto End() NODISCARD FORCEINLINE constexpr auto End() requires (!CSimpleView<V>)
{ {
if constexpr (CSizedRange<V>) if constexpr (CSizedRange<V>)
{ {

6
Redcraft.Utility/Source/Public/Range/View.h
View File

@ -98,6 +98,12 @@ concept CViewableRange = CRange<R>
|| (!CView<TRemoveCVRef<R>> && (CLValueReference<R> || (CMovable<TRemoveReference<R>> || (!CView<TRemoveCVRef<R>> && (CLValueReference<R> || (CMovable<TRemoveReference<R>>
&& !NAMESPACE_PRIVATE::TIsInitializerList<TRemoveCVRef<R>>::Value)))); && !NAMESPACE_PRIVATE::TIsInitializerList<TRemoveCVRef<R>>::Value))));
/** A concept specifies that a view uses the same iterator and sentinel type for both const and non-const views. */
template <typename V>
concept CSimpleView = CView<V> && CRange<const V>
&& CSameAs<TRangeIterator<V>, TRangeIterator<const V>>
&& CSameAs<TRangeSentinel<V>, TRangeSentinel<const V>>;
NAMESPACE_BEGIN(Range) NAMESPACE_BEGIN(Range)
/** A simple view that combines an iterator-sentinel pair into a view. */ /** A simple view that combines an iterator-sentinel pair into a view. */