Casting Performance

CastingPerformanceBenchmark.cs

public class Casting
{
    private Child _child;

    private Parent _parent;

    [GlobalSetup]
    public void GlobalSetup()
    {
        _parent = new Parent();
        _child = new Parent();
    }

    [Benchmark]
    public Child Implicit()
    {
        return _parent;
    }

    [Benchmark]
    public Parent Explicit()
    {
        return (Parent)_child;
    }
}