static async Task Main(string[] args)
{
using var channel = GrpcChannel.ForAddress("https://localhost:5001");
var client = new Greeter.GreeterClient(channel);
var reply = await client.SayHelloAsync(new HelloRequest()
{
Name = "Fritz"
});
Console.WriteLine($"Greeting: {reply.Message}");
var contact = await client.GetContactByIdAsync(new ContactById { Id = 1 });
Console.WriteLine($"Contact with id 1: {contact.FirstName} {contact.LastName}");
}