static void Main(string[] args)
{
string data = "some data";
var publihser = new Publihser();
publihser.SomethingHappened += (s, m) => { Console.WriteLine($"consumer1: {m} Data:{data}"); };
publihser.SomethingHappened += (s, m) => { Console.WriteLine("consumer2: " + m); };
Register(publihser);
publihser.ReportEvent("Winter is coming");
GC.Collect();
publihser.ReportEvent("another message");
Console.ReadLine();
}
private static void Register(Publihser publihser)
{
var consumer = new Consumer();
publihser.SomethingHappened += consumer.Print;
}