static void Main(string[] args)
{
var di = new TinyDependencyInjection();
di.AddDependency(Dependency.Create().For <ITestWriter>().Use <TestWriter>());
di.Init();
var testWriter = di.GetService <TestWriter>();
var testWriterFromType = di.GetService(typeof(TestWriter)) as TestWriter;
testWriter.PrintHelloWorld();
testWriterFromType.PrintHelloWorld();
}