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[MemoryDiagnoser] |
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public class EnumParserBenchNonFlagGenerated |
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{ |
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public enum DayOfWeek : byte |
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{ |
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None , |
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Monday, |
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Tuesday, |
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Wednesday, |
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Thursday, |
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Friday, |
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Saturday, |
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Sunday, |
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} |
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public static string[] AllEnums = |
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Enumerable.Range(0, 50).Select(i => ((DayOfWeek)i).ToString("G").Replace(" ", "")).ToArray(); |
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private static readonly ITransformer<DayOfWeek> _parser = TextTransformer.Default.GetTransformer<DayOfWeek>(); |
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[Benchmark(Baseline = true)] |
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public DayOfWeek EnumTransformer() |
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{ |
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DayOfWeek current = default; |
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for (int i = AllEnums.Length - 1; i >= 0; i--) |
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{ |
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var text = AllEnums[i]; |
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current = _parser.Parse(text.AsSpan()); |
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} |
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return current; |
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} |
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[Benchmark] |
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public DayOfWeek Generated() |
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{ |
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DayOfWeek current = default; |
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for (int i = AllEnums.Length - 1; i >= 0; i--) |
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{ |
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var text = AllEnums[i]; |
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current = ParseIgnoreCase(text); |
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} |
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return current; |
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} |
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private static DayOfWeek ParseIgnoreCase(string text) => |
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text switch |
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{ |
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{ } s when s.Equals(nameof(DayOfWeek.None), StringComparison.OrdinalIgnoreCase) => DayOfWeek.None, |
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{ } s when s.Equals(nameof(DayOfWeek.Monday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Monday, |
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{ } s when s.Equals(nameof(DayOfWeek.Tuesday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Tuesday, |
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{ } s when s.Equals(nameof(DayOfWeek.Wednesday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Wednesday, |
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{ } s when s.Equals(nameof(DayOfWeek.Thursday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Thursday, |
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{ } s when s.Equals(nameof(DayOfWeek.Friday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Friday, |
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{ } s when s.Equals(nameof(DayOfWeek.Saturday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Saturday, |
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{ } s when s.Equals(nameof(DayOfWeek.Sunday), StringComparison.OrdinalIgnoreCase) => DayOfWeek.Sunday, |
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_ => Enum.Parse<DayOfWeek>(text, true) |
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}; |
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} |
