Corrected obsolete syntax in span examples.

CppCoreGuidelines.md

@@ -17729,9 +17729,9 @@ Pointers should only refer to single objects, and pointer arithmetic is fragile
     {
         if (a.length() < 2) return;
 
-        int n = *a++; // OK
+        int n = a[0]; // OK
 
-        span<int> q = a + 1; // OK
+        span<int> q = a.subspan(1); // OK 
 
         if (a.length() < 6) return;
 
@@ -17807,6 +17807,16 @@ Dynamic accesses into arrays are difficult for both tools and humans to validate
         for (int i = 0; i < COUNT; ++i)
             av[i] = i;
     }
+    
+    // ALTERNATIVE Aa: Use a span and range-for
+    void f1a()
+    {
+         int arr[COUNT];
+         span<int,COUNT> av = arr;
+         int i = 0;
+         for (auto& e : av)
+             e = i++;
+    }
 
     // ALTERNATIVE B: Use at() for access
     void f2()