IsDefinedEx benchmarks

See enums used here. Code to produce this benchmark is here.

Method	Mean	Error	StdDev	Median	Ratio	Gen 0	Allocated
Core_SimpleEnum	33.8439 ns	0.1513 ns	0.1415 ns	33.8546 ns	1.00	0.0057	24 B
EnumsNET_SimpleEnum	0.7856 ns	0.0366 ns	0.0325 ns	0.7780 ns	0.02	-	-
FastEnum_SimpleEnum	0.8469 ns	0.0470 ns	0.1001 ns	0.7938 ns	0.03	-	-
Lidgren_SimpleEnum	0.5027 ns	0.0082 ns	0.0077 ns	0.5011 ns	0.01	-	-
Core_OffsetDiscontinuousEnum	33.8579 ns	0.2900 ns	0.2712 ns	33.9030 ns	1.00	0.0057	24 B
EnumsNET_OffsetDiscontinuousEnum	1.1145 ns	0.0089 ns	0.0079 ns	1.1134 ns	0.03	-	-
FastEnum_OffsetDiscontinuousEnum	1.3649 ns	0.0195 ns	0.0173 ns	1.3603 ns	0.04	-	-
Lidgren_OffsetDiscontinuousEnum	1.8954 ns	0.0056 ns	0.0044 ns	1.8965 ns	0.06	-	-
Core_FlagsEnum_Single	33.6734 ns	0.1779 ns	0.1664 ns	33.6333 ns	1.00	0.0057	24 B
EnumsNET_FlagsEnum_Single	1.4117 ns	0.0477 ns	0.0399 ns	1.3914 ns	0.04	-	-
FastEnum_FlagsEnum_Single	1.3415 ns	0.0146 ns	0.0136 ns	1.3406 ns	0.04	-	-
Lidgren_FlagsEnum_Single	1.7525 ns	0.0267 ns	0.0223 ns	1.7530 ns	0.05	-	-