static void Main(string[] args)
{
IMessageWriter writer = new ConsoleMessageWriter();
var salutation = new Salutation(writer);
salutation.Exclaim();
}
static void Main(string[] args)
{
IMessageWriter writer = new SecureMessageWriter(writer: new ConsoleMessageWriter(), identity: GetIdentity());
var salutation = new Salutation(writer);
salutation.Exclaim();
}
static void Main(string[] args)
{
/*
* "notice that you wrap or decorate old ConsoleMessageWriter instance with new SecureMessageWriter class."
*/
IMessageWriter writer = new SecureMessageWriter(writer: new ConsoleMessageWriter(), identity: GetIdentity()); //<---- DECORATOR
var salutation = new Salutation(writer);
salutation.Exclaim();
}