Avoid double lookup in regex's HashtableExtensions#122892
Merged
stephentoub merged 1 commit intodotnet:mainfrom Jan 5, 2026
Merged
Avoid double lookup in regex's HashtableExtensions#122892stephentoub merged 1 commit intodotnet:mainfrom
stephentoub merged 1 commit intodotnet:mainfrom
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Pull request overview
This pull request optimizes the HashtableExtensions.TryGetValue method by eliminating a double lookup and specializing the generic method to work specifically with int values.
Key Changes
- Replaced the generic
TryGetValue<T>method with a non-generic version that returnsintvalues - Changed the implementation from
ContainsKey()+ indexer (two lookups) to a single indexer access with pattern matching - Changed the default return value from
defaultto explicit0
MihaZupan
approved these changes
Jan 5, 2026
This was referenced Jan 9, 2026
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