Use optimized GetOffset in Range GetOffsetAndLength (dotnet#87317)

BruceForstall · Jul 17, 2023 · 4ebb3ea · 4ebb3ea
1 parent 243650a
commit 4ebb3ea
Showing 1 changed file with 2 additions and 13 deletions.
diff --git a/src/libraries/System.Private.CoreLib/src/System/Range.cs b/src/libraries/System.Private.CoreLib/src/System/Range.cs
@@ -115,19 +115,8 @@ public override string ToString()
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public (int Offset, int Length) GetOffsetAndLength(int length)
         {
-            int start;
-            Index startIndex = Start;
-            if (startIndex.IsFromEnd)
-                start = length - startIndex.Value;
-            else
-                start = startIndex.Value;
-
-            int end;
-            Index endIndex = End;
-            if (endIndex.IsFromEnd)
-                end = length - endIndex.Value;
-            else
-                end = endIndex.Value;
+            int start = Start.GetOffset(length);
+            int end = End.GetOffset(length);
 
             if ((uint)end > (uint)length || (uint)start > (uint)end)
             {