using System;

using Microsoft.Extensions.Logging;

using Microsoft.Extensions.Logging.Console;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.Extensions.DependencyInjection.Abstractions;

public class HelloWorld {

 public static void Main(string[] args) {

    //LoggerFactory loggerFactory = new LoggerFactory(

                           // new[] { new ConsoleLoggerProvider((_, __) => true, true) }

                     //   );

            //or

            //ILoggerFactory loggerFactory = new LoggerFactory().AddConsole();

           // ILogger logger = loggerFactory.CreateLogger<Program>();

           // logger.LogInformation("This is log message.");

     //ServiceCollection services     = new ServiceCollection();•

         ServiceCollection services = new ServiceCollection();

​

​

​

    // add logging to services•

​

   // services.AddLogging(configure => configure.AddConsole()).AddLogging(configure => configure.AddDebug());

     services.AddLogging(configure=>configure.AddConsole());

     Console.WriteLine("hello my name is");

     // Simulate the service provider that would be automatically •

​

    // available in say a web application.•

​

     using (ServiceProvider serviceProvider = services.BuildServiceProvider()){

           // ask the service provider for the logger.•

         ILogger<Foo>logger= serviceProvider.GetRequiredService<ILogger<Foo>>();

        Foo fart= new Foo(logger);

         fart.do_something();

         ILoggerFactory loggerFactory = new LoggerFactory(

                            new[] { new ConsoleLoggerProvider((_, __) => true, true) }

                        );

            //or

            //ILoggerFactory loggerFactory = new LoggerFactory().AddConsole();

            ILogger logger1 = loggerFactory.CreateLogger<HelloWorld>();

            logger1.LogInformation("This is log message.");

  }

 }

    public class Foo{

        private readonly ILogger _logger;

        public Foo(ILogger<Foo>logger){

            _logger=logger;

        }

        public void do_something(){

            _logger.LogDebug($"message");

        //  _logger.Log<String>(Console.WriteLine("I farted" ));

            _logger.LogDebug("I farted");

            _logger.

        }

​

    }

}

​