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Remove redundant dictionary lookup in XPathDocument #85534

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Merged
stephentoub merged 1 commit into from
Apr 28, 2023
Merged

Remove redundant dictionary lookup in XPathDocument #85534

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4 changes: 1 addition & 3 deletions src/libraries/System.Private.Xml/src/System/Xml/XPath/XPathDocument.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -398,15 +398,13 @@ internal int LookupNamespaces(XPathNode[] pageElem, int idxElem, out XPathNode[]
Debug.Assert(pageElem[idxElem].NodeType == XPathNodeType.Element);

// Check whether this element has any local namespaces
if (_mapNmsp == null || !_mapNmsp.ContainsKey(nodeRef))
if (_mapNmsp == null || !_mapNmsp.TryGetValue(nodeRef, out nodeRef))
{
pageNmsp = null;
return 0;
}

// Yes, so return the page and index of the first local namespace node
nodeRef = _mapNmsp[nodeRef];

pageNmsp = nodeRef.Page;
return nodeRef.Index;
}
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