Mediator – behavioral design pattern – library MetaTrader 5
//+——————————————————————+ //| 201028_095428.mq5 | //| 2019-2020, dimitri pecheritsa | //| 792112@gmail.com | //+——————————————————————+ // from: design patterns: elements of reusable object-oriented software // by gof: erich gamma, richard helm, ralph johnson, john vlissides // published in 1994 //+——————————————————————+ //| mediator – behavioral design pattern | //+——————————————————————+ // define an object that encapsulates how a set of objects