private static void ExecuteAssembly(int i)
        {
            var context      = new CollectibleAssemblyLoadContext();
            var assemblyPath = Path.Combine(Directory.GetCurrentDirectory(), "..", "..", "..", "..", "SampleLibrary", "bin", "Debug", "netstandard2.0", "SampleLibrary.dll");

            using (var fs = new FileStream(assemblyPath, FileMode.Open, FileAccess.Read))
            {
                var assembly = context.LoadFromStream(fs);

                var type        = assembly.GetType("SampleLibrary.Greeter");
                var greetMethod = type.GetMethod("Hello");

                var instance = Activator.CreateInstance(type);
                greetMethod.Invoke(instance, new object[] { i });
            }

            context.Unload();
        }
        private static void ExecuteInMemoryAssembly(Compilation compilation, int i)
        {
            var context = new CollectibleAssemblyLoadContext();

            using (var ms = new MemoryStream())
            {
                var cr = compilation.Emit(ms);
                ms.Seek(0, SeekOrigin.Begin);
                var assembly = context.LoadFromStream(ms);

                var type        = assembly.GetType("Greeter");
                var greetMethod = type.GetMethod("Hello");

                var instance = Activator.CreateInstance(type);
                var result   = greetMethod.Invoke(instance, new object[] { i });
            }

            context.Unload();
        }