From a55f03fea0acd5cd6dfcc797e3fcc9c6f60de8d3 Mon Sep 17 00:00:00 2001
From: Redstone1024 <2824517378@qq.com>
Date: Sat, 14 Dec 2024 16:09:35 +0800
Subject: [PATCH] fix(iterator): fix behavior when TIteratorElement or
 TIteratorPointer is invalid

---
 Redcraft.Utility/Source/Public/Iterator/Utility.h | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/Redcraft.Utility/Source/Public/Iterator/Utility.h b/Redcraft.Utility/Source/Public/Iterator/Utility.h
index 9c579ad..3a949bd 100644
--- a/Redcraft.Utility/Source/Public/Iterator/Utility.h
+++ b/Redcraft.Utility/Source/Public/Iterator/Utility.h
@@ -12,11 +12,14 @@ NAMESPACE_PRIVATE_BEGIN
 
 template <typename T> using TWithReference = T&;
 
-template <typename I> struct TIteratorElementImpl     { using Type = typename I::ElementType; };
-template <typename T> struct TIteratorElementImpl<T*> { using Type = TRemoveCV<T>;            };
+template <typename I> struct TIteratorElementImpl     {                            };
+template <typename T> struct TIteratorElementImpl<T*> { using Type = TRemoveCV<T>; };
 
-template <typename I> struct TIteratorPointerImpl     { using Type = void; };
-template <typename T> struct TIteratorPointerImpl<T*> { using Type = T*;   };
+template <typename I> requires (requires { typename I::ElementType; })
+struct TIteratorElementImpl<I> { using Type = typename I::ElementType; };
+
+template <typename I> struct TIteratorPointerImpl     {                  };
+template <typename T> struct TIteratorPointerImpl<T*> { using Type = T*; };
 
 template <typename I> requires (requires(I& Iter) { { Iter.operator->() } -> CPointer; })
 struct TIteratorPointerImpl<I> { using Type = decltype(DeclVal<I&>().operator->()); };