janodev

#import <Foundation/Foundation.h>

@interface ObjC: NSObject
+ (BOOL)catchException:(void(^)(void))tryBlock error:(__autoreleasing NSError **)error;
@end

janodev

// From https://albertodebortoli.com/2018/03/12/easy-view-controller-unit-testing/

import XCTest
import UIKit

class ControllerLifecycle<T: UIViewController>
{
    private lazy var this = type(of: self).self
    private var rootWindow: UIWindow?
    var rootController: T? {

janodev

// I saw this trick in “Do you often forget [weak self], here is a solution”
// https://medium.com/anysuggestion/preventing-memory-leaks-with-swift-compile-time-safety-49b845df4dc6

import UIKit

class ViewController: UIViewController {
    
    // move this variable inside viewDidLoad to see it being released
    let downloader = Downloader()
    

janodev

// From “Better Strategies Through Types”
// http://www.figure.ink/blog/2018/3/11/better-strategies-through-types

import UIKit

protocol BouncyDelegate {
    static func animateBounce(for view: UIView)
}

enum ShakeStrategy: BouncyDelegate

janodev

#!/usr/bin/perl
#
#    PackageApplication
#    
#    Copyright (c) 2009-2012 Apple Inc.  All rights reserved.
#
#    Package an iPhone Application into an .ipa wrapper
#

use Pod::Usage;

janodev

#import <Foundation/Foundation.h>
#undef X

typedef void (^salute_t)();

@interface Person : NSObject

@property (nonatomic,copy) NSString *name;
@property (nonatomic,copy) salute_t salute;

janodev

enum Colors: Int64  
{
    case black = 0x000000ff
    case white = 0xffffffff

    func color() -> UIColor
    {
        let red   = CGFloat((self.rawValue >> 24) & 0xff) / 255.0
        let green = CGFloat((self.rawValue >> 16) & 0xff) / 255.0
        let blue  = CGFloat((self.rawValue >>  8) & 0xff) / 255.0

janodev

import UIKit
import PluggableApplicationDelegate

@UIApplicationMain
class AppDelegate: PluggableApplicationDelegate 
{
    override var services: [ApplicationService] {
        return [
            LoggerApplicationService()
        ]

janodev

#!/usr/bin/env bash 

if [[ ! ( # any of the following are not true
        # 1st arg is an existing regular file
        -f "$1" &&
        # ...and it has a .ipa extension
        "${1##*.}" == "ipa" &&
        # 2nd arg is an existing regular file
        -f "$2" &&
        # ...and it has an .mobileprovision extension

janodev

import Foundation

extension Optional 
{
    @discardableResult
    func ifSome(_ handler: (Wrapped) -> Void) -> Optional {
        switch self {
        case .some(let wrapped): handler(wrapped); return self
        case .none: return self
        }