Remove a boxed enumerator allocated during TryMapToHostDocumentPositi…

…on (#9130)
dotnet · Aug 16, 2023 · f9cc2c0 · f9cc2c0
1 parent 36b8bfe
commit f9cc2c0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/RazorDocumentMappingService.cs b/src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/RazorDocumentMappingService.cs
@@ -326,8 +326,9 @@ public bool TryMapToHostDocumentPosition(IRazorGeneratedDocument generatedDocume
             throw new InvalidOperationException("Cannot use document mapping service on a generated document that has a null CodeDocument.");
         }
 
-        foreach (var mapping in generatedDocument.SourceMappings)
+        for (var i = 0; i < generatedDocument.SourceMappings.Count; i++)
         {
+            var mapping = generatedDocument.SourceMappings[i];
             var generatedSpan = mapping.GeneratedSpan;
             var generatedAbsoluteIndex = generatedSpan.AbsoluteIndex;
             if (generatedAbsoluteIndex <= generatedDocumentIndex)