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ArrayListForeachIteration.md

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Iterating array and List<> using foreach

Comparison of using foreach when iterating over array and List<>.

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 Ratio RatioSD
Array 137.0 ns 1.89 ns 1.77 ns 1.00 0.00
List 380.7 ns 7.58 ns 7.09 ns 2.78 0.06
ArrayAsEnumerable 1,072.2 ns 20.54 ns 27.42 ns 7.82 0.23