NullCoalesceBenchmark

// executed with:
// var config = DefaultConfig.Instance
                .WithArtifactsPath(artPath)
                .AddDiagnoser(MemoryDiagnoser.Default)
                .AddJob(Job.InProcess);
// BenchmarkRunner.Run(typeof(NullCoalesce), config);

public class NullCoalesce
{
    private bool _toggle;

    public Func<int> F { get; set; }

    public NullCoalesce()
    {
        // F returns a const
        //F = () => 0;

        // F returns a value
        //F = () =>
        //{
        //    _toggle = !_toggle;
        //    return _toggle ? 1 : 0;
        //};
    }

    [Benchmark]
    public void BencharkM1()
    {
        var i = GetConditional();
    }

    private int M1()
        => F == null ? 0 : F();

    [Benchmark]
    public void BenchmarkM2()
    {
        var i = GetCoalesce();
    }

    private int M2()
        => F?.Invoke() ?? 0;
}