feat(concept): add concepts that depend on templates such as Forward and add corresponding tests

Redcraft.Utility/Source/Public/Concepts/Assignable.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "CoreTypes.h"
+#include "Concepts/Common.h"
+#include "Templates/Templates.h"
+#include "TypeTraits/TypeTraits.h"
+
+NAMESPACE_REDCRAFT_BEGIN
+NAMESPACE_MODULE_BEGIN(Redcraft)
+NAMESPACE_MODULE_BEGIN(Utility)
+
+template <typename T, typename U>
+concept CAssignableFrom =
+	TIsLValueReference<T>::Value &&
+	CCommonReferenceWith<const typename TRemoveReference<T>::Type&, const typename TRemoveReference<U>::Type&> &&
+	requires(T A, U&& B)
+	{
+		{ A = Forward<U>(B) } -> CSameAs<T>;
+	};
+
+NAMESPACE_MODULE_END(Utility)
+NAMESPACE_MODULE_END(Redcraft)
+NAMESPACE_REDCRAFT_END