chris-hatton

protocol MyProtocol
{
	typealias GenType

	func doSomething(param: GenType)
}

class MyObject<T> : MyProtocol
{
	typealias GenType = T

chris-hatton

class A<SelfType : A<SelfType>>
{
}

class B : A<B>  // Line fails to compile with: "'A' requires that 'B' inherit from 'A<B>'" even though it does
{
}

chris-hatton

protocol ProtocolA {}
protocol ProtocolB {}

func overloadingTest <T where T: ProtocolA>( obj: T ) -> String
{
    return "It's an implementation of Protocol A"
}

func overloadingTest <T where T: ProtocolB>( obj: T ) -> String // This compiles fine, and the appropriate 'topLevelTest' function is bound

chris-hatton

protocol ProtocolA {}
protocol ProtocolB {}

func overloadingTest ( obj: String ) -> String
{
    return "It's a String"
}

func overloadingTest ( obj: Int ) -> String  // This compiles fine, and the appropriate 'topLevelTest' function is called

chris-hatton

import UIKit

class A : CustomDebugStringConvertible
{
    let message: String
    
    required init( message: String ) { self.message = message }
    
    var debugDescription: String { return message }
}

chris-hatton

//
//  HTTPStatus.swift
//
//  Created by Chris Hatton on 17/05/2016.
//
//  Transcribed from: https://en.wikipedia.org/wiki/List_of_HTTP_status_codes
//

import Foundation

chris-hatton

    static class SteamVR_Controller_Extension
    {
        const float threshold = 0.3f;

        /*
         *  You might expect that pressing one of the edges of the SteamVR controller touchpad could
         *  be detected with a call to device.GetPress( EVRButtonId.k_EButton_DPad_* ), but currently this always returns false.
         *  Not sure whether this is SteamVR's design intent, not yet implemented, or a bug.
         *  The expected behaviour can be achieved by detecting overall Touchpad press, with Touch-Axis comparison to an edge threshold.
         */

chris-hatton

using System;
using System.Collections;
using UnityEngine;

/*
 *  Use by explicit 'this' e.g. this.Invoke( 3.0f, delegate { doSomething(); } );
 */
static class MonoBehaviourInvokeExtension
{
    public static void Invoke( this MonoBehaviour monoBehaviour, float delay, Action action )

chris-hatton

import UIKit

protocol HTTPRequest
{
    associatedtype ResultType
    
    func start( callback: (ResultType)->() )
}

chris-hatton

// This compiles in both Swift 2 and 3
func test1() -> Int {
    fatalError()
}

// This compiled in Swift2 but no longer does in Swift 3
let test2 : () -> Int = {
    fatalError()
}