AliSoftware

@interface MyCell : UITableViewCell
+(CGSize)cellSizeForText:(NSString*)text;
@end



#import "UIView+NFCore.h" // "instantiateFromNib:"

@implementation MyCell

AliSoftware

// For implementing the Promises pattern, I suggest http://promisekit.org
// But here we will build a very simple, naive and limited implementation just to show very basic concepts

import Foundation

/////////////////////
// Promise Pattern (very simplified and naive)
/////////////////////

class Promise<T> {

AliSoftware

# Swift 2.0


protocol AbstractAnimal : CustomStringConvertible {
    // Abstract, to implement
    var firstName: String { get set }
    var lastName: String { get set }
    // var fullName: String { get } // don't declare it this time!
}

AliSoftware

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

import Foundation

// This is a fake implementation mimicking the behavior of having a Localizable.string
// This is used here to be able to test the code easily in a Playground
func localize(key: String) -> String {
    return [
        "alert.title": "Titre d'Alerte",
        "alert.message": "Message d'Alerte",

AliSoftware

- (void)setUp
{
  [super setUp];
  [MagicalRecord setupCoreDataStackWithInMemoryStore];
}

- (void)tearDown
{
  [MagicalRecord cleanUp]; // cleans up the CoreData stack to be ready for a clean state for the next tests
  // Note: any code after this line that would try to use CoreData will obviously fail 

AliSoftware

dispatch_once_t onceToken;
SomeClass* _sharedInstance;

+ (id)sharedInstance
{
  dispatch_once(&onceToken, ^{ _sharedInstance = [SomeClass new]; });
  return _sharedInstance;
}

- (void)tearDown

AliSoftware

// No dependency injection at all.
// Instead of having independant modules, we have a strong dependency between the Controller, the ContactService and the View

@interface Contact : NSObject
@property NSString* name;
// …
@end

@interface ContactService : NSObject
- (void)fetchAllContactsWithCompletion:(void(^)(NSArray* contacts))completion;

AliSoftware

enum Crash: ErrorType { case Key(String) }
func kaboom(str: String) throws -> String {
  throw Crash.Key(str)
}

// Crash with EXC_BAD_ACCESS, not every time but quite often
func test1() throws -> [String:[String]] {
  return [
    "foo": try [kaboom("test1a"), kaboom("test1b")]
  ]

AliSoftware

protocol Fooable {
  static var staticBigSelf: String { get }
  static var staticSmallSelf: String { get }
  var instanceBigSelf: String { get }
  var instanceSmallSelf: String { get }
  init()
}

extension Fooable {
  static var staticBigSelf: String { return String(Self) }

AliSoftware

Keybase proof

I hereby claim:

• I am AliSoftware on github.
• I am aligatr (https://keybase.io/aligatr) on keybase.
• I have a public key whose fingerprint is 172F 2268 1A5A BD88 4FFF D1B3 F6D2 6970 231A FBDE

To claim this, I am signing this object: