Hashset .Count vs .Count() benchmark

hashset-count-benchmark.cs

#LINQPad optimize+
void Main()
{
	var summary = BenchmarkRunner.Run<HashSetPerformance>();
}

public class HashSetPerformance
{
	private HashSet<int> set;

	[Params(2, 100)]
	public int SetSize;


	[GlobalSetup]
	public void GlobalSetup()
	{
		var items = Enumerable.Range(0, SetSize);
		set = new HashSet<int>(items); // executed once per each N value
	}


	[Benchmark]
	public int CountAsProperty() => set.Count;

	[Benchmark]
	public int CountAsMethod() => set.Count();

}