PaulTaykalo

let a: Double? = 1.0
let b: Double? = 2.0
let c: Double? = 3.0
let d: Double? = 4.0
let e: Double? = 5.0
let f: Double? = 6.0
let g: Double? = 7.0

extension Optional {
    func `or`(_ value : Wrapped?) -> Optional {

odrobnik

@objc protocol Refreshable
{
	/// The refresh control
	var refreshControl: UIRefreshControl? { get set }
	
	/// The table view
	var tableView: UITableView! { get set }
	
	/// the function to call when the user pulls down to refresh
	@objc func handleRefresh(_ sender: Any);

nahive

extension Comparable {
    /// Returns a Boolean value indicating whether a value is included in a
    /// range.
    ///
    /// You can use this pattern matching operator (`~=`) to test whether a value
    /// is included in a range. The following example uses the `~=` operator to
    /// test whether an integer is included in a range of single-digit numbers.
    ///
    ///     let chosenNumber = 3
    ///     if chosenNumber ~= 0...9 {

kharrison

import Foundation

struct Country {
    let name: String
    let capital: String
    var visited: Bool
}

extension Country: Equatable {
    static func == (lhs: Country, rhs: Country) -> Bool {

SpacyRicochet

import UIKit
import PlaygroundSupport

public extension UIColor {
    public func hsba() -> (hue: CGFloat, saturation: CGFloat, brightness: CGFloat, alpha: CGFloat)? {
        var hue: CGFloat = .nan, saturation: CGFloat = .nan, brightness: CGFloat = .nan, alpha: CGFloat = .nan
        guard self.getHue(&hue, saturation: &saturation, brightness: &brightness, alpha: &alpha) else {
            return nil
        }
        return (hue: hue, saturation: saturation, brightness: brightness, alpha: alpha)

juantrias

#import <Foundation/Foundation.h>


@interface AuthContextSecureEnclaveKeychain : NSObject

- (instancetype)initWithIdentifier:(NSString *)identifier userPrompt:(NSString *)userPrompt;

- (NSString *)stringForKey:(NSString *)key;

- (BOOL)setString:(NSString *)string forKey:(NSString *)key;

kharrison

//
//  CoreDataController.swift
//
//  Created by Keith Harrison http://useyourloaf.com
//  Copyright (c) 2017 Keith Harrison. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//  1. Redistributions of source code must retain the above copyright

zntfdr

import UIKit

class MyView: UIView {
  fileprivate var myPreviewInteraction: Any? = nil
  
  init() {
    super.init(frame: CGRect.zero)
    
    if #available(iOS 10.0, *) {
      myPreviewInteraction = UIPreviewInteraction(view: self)

khanlou

extension Collection {
    func eachConsecutive(_ size: Int) -> Array<SubSequence> {
        let droppedIndices = indices.dropFirst(size - 1)
        return zip(indices, droppedIndices)
            .map { return self[$0...$1] }
    }
}

alexruperez

@import CocoaLumberjack;

@interface DDCLSLogger : DDAbstractLogger

@end