This is a tool to convert enums to other enums using the name instead of the value.
It's just a way of making a Enum.Parse(typeof(TestEnum2), TestEnum1.First.ToString())
In a more fancy way of TestEnum1.First.To<TestEnum2>().
BenchmarkDotNet=v0.11.5, OS=Windows 10.0.17134.885 (1803/April2018Update/Redstone4) Intel Core i7-8700K CPU 3.70GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores .NET Core SDK=2.2.202 [Host] : .NET Core 2.2.3 (CoreCLR 4.6.27414.05, CoreFX 4.6.27414.05), 64bit RyuJIT DefaultJob : .NET Core 2.2.3 (CoreCLR 4.6.27414.05, CoreFX 4.6.27414.05), 64bit RyuJIT
| Method | Mean | Error | StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated |
|---|---|---|---|---|---|---|---|
| EnumParse | 193.3 ns | 0.3376 ns | 0.2993 ns | 0.0076 | - | - | 48 B |
| EnumMapper | 104.4 ns | 1.5005 ns | 1.2530 ns | 0.0037 | - | - | 24 B |