EnumerableIteration.md

Iterating enumerable

When enumerating IEnumerable, performance can actually differ based on implementation:

• yielded enumerable
• Enumerable.Range enumerable
• array iteration

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1889 (21H2)
Intel Core i7-7820HQ CPU 2.90GHz (Kaby Lake), 1 CPU, 8 logical and 4 physical cores
.NET SDK=6.0.303
  [Host]     : .NET 6.0.8 (6.0.822.36306), X64 RyuJIT
  DefaultJob : .NET 6.0.8 (6.0.822.36306), X64 RyuJIT

Method	Mean	Error	StdDev
YieldEnumerable	459.2 μs	7.00 μs	6.20 μs
RangeEnumerable	432.0 μs	8.37 μs	9.96 μs
ArrayEnumerable	438.2 μs	8.35 μs	8.94 μs