Deal with notification with protocol-oriented programing in Swift

ProtocolNotofication.swift

//: Playground - noun: a place where people can play

import UIKit

// This is for dmoe, you can use a generice type to limit your observer to an UIViewController for common usage.
typealias NotifiableExecuteBlock = (Notification) -> Void
protocol Notifiable {
    var name: Notification.Name { get }
    func observe(by observer: Any, withSelector selector: Selector, object: Any?)
    func observe(with object: Any?, using block: @escaping NotifiableExecuteBlock)
    func post(object: Any? ,userInfo: [AnyHashable: Any]?)
    static func remove(observer: Any)
}


extension Notifiable {
    func observe(by observer: Any, withSelector selector: Selector, object: Any? = nil) {
        NotificationCenter.default.addObserver(observer, selector: selector, name: name, object: object)
    }

    func observe(with object: Any?, using block: @escaping NotifiableExecuteBlock) {
        NotificationCenter.default.addObserver(forName: name, object: object, queue: nil, using: block)
    }

    func post(object: Any? = nil, userInfo: [AnyHashable: Any]? = nil) {
        NotificationCenter.default.post(name: name, object: object, userInfo: userInfo)
    }

    static func remove(observer: Any) {
        NotificationCenter.default.removeObserver(observer)
    }
}

extension Notification.Name: Notifiable {
    var name: Notification.Name {
        return self
    }
}