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// Credit: Michael LaRandeau (@mlarandeau)

import SwiftUI
import Combine
import PlaygroundSupport

class ValueProvider: ObservableObject {
    
    private let didSetSubject = CurrentValueSubject<Int, Never>(0)
    

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import Foundation

extension String
{
    var length: Int {
        get {
            return countElements(self)
        }
    }
    

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public class MyDB : IdentityDbContext<User>
{  
    //DBSet properties go here

	public MyDB()
	{
		((IObjectContextAdapter)this).ObjectContext.ObjectMaterialized += new ObjectMaterializedEventHandler(ObjectMaterialized);
	}

	#region Encryption

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Overview

This is a bash script that will automatically turn your wifi off if you connect your computer to an ethernet connection and turn wifi back on when you unplug your ethernet cable/adapter. If you decide to turn wifi on for whatever reason, it will remember that choice. This was improvised from this mac hint to work with Yosemite, and without hard-coding the adapter names. It's supposed to support growl, but I didn't check that part. I did, however, add OSX notification center support. Feel free to fork and fix any issues you encounter.

Most the credit for these changes go to Dave Holland.

Requirements

• Mac OSX 10+
• Administrator privileges

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Composed Protocol Dependency Injection (CPDI) Pattern

This dependency injection pattern uses native Swift language features to provide a safe, concise, deterministic, and intentional approach to dependency injection.

Overview

The primary Swift language feature that drives CPDI is called "protocol composition". This feature allows you to create a type alias from any combination of protocols. For example:

protocol Car {