perf(Core/SourceLength): Use Regex.Count - #881
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It allocates less than Regex.Matches.Count when the count is all that is needed from the results. Before | Method | Mean | Error | StdDev | Gen0 | Gen1 | Gen2 | Allocated | |--------------- |--------:|---------:|---------:|-----------:|----------:|----------:|----------:| | LintParsedFile | 1.278 s | 0.0045 s | 0.0042 s | 15000.0000 | 6000.0000 | 2000.0000 | 263.95 MB | After | Method | Mean | Error | StdDev | Gen0 | Gen1 | Gen2 | Allocated | |--------------- |--------:|---------:|---------:|-----------:|----------:|----------:|----------:| | LintParsedFile | 1.278 s | 0.0077 s | 0.0072 s | 15000.0000 | 6000.0000 | 2000.0000 | 262.64 MB |
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There is actually a Roslyn analyzer that makes this suggestion - https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1875 Could that be something that could be checked by FSharpLint, similar to #707 ? |
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Yes, sure, you're welcome to create such rule. |
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It allocates less than Regex.Matches.Count when the count is all that is needed from the results.
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