johnno1962

// First, install InjectionIII.app from the Mac AppStore
// https://apps.apple.com/us/app/injectioniii/id1380446739?mt=12

// Make these changes to your code:

// add the following to application(didFinishLaunchingWithOptions:)
#if DEBUG
Bundle(path: "/Applications/InjectionIII.app/Contents/Resources/iOSInjection.bundle")?.load()
#endif

cellularmitosis

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

        let window = UIWindow(frame: UIScreen.main.bounds)

mattcomi

public protocol ReflectedStringConvertible : CustomStringConvertible { }

extension ReflectedStringConvertible {
  public var description: String {
    let mirror = Mirror(reflecting: self)
    
    var str = "\(mirror.subjectType)("
    var first = true
    for (label, value) in mirror.children {
      if let label = label {

ijoshsmith

extension Dictionary where Value: Equatable {
    /// Returns all keys mapped to the specified value.
    /// ```
    /// let dict = ["A": 1, "B": 2, "C": 3]
    /// let keys = dict.keysForValue(2)
    /// assert(keys == ["B"])
    /// assert(dict["B"] == 2)
    /// ```
    func keysForValue(value: Value) -> [Key] {
        return flatMap { (key: Key, val: Value) -> Key? in

erica

import Cocoa

// Support Foundation calls on String
public extension String { public var ns: NSString {return self as NSString} }

/// Custom Labeled Playground-Based Drag-and-Drop window
public class DropView: NSTextField {
    
    // Default action handler
    public var handler: ([String]) -> Void = { paths in Swift.print(paths) }

erica

/*

    ericasadun.com
    Super-basic priority-less layout utilities

*/

#if os(iOS)
    import UIKit
#else

alfredcc

You can use enum and protocol extension to provide GCD convenience API:
```
protocol ExcutableQueue {
    var queue: dispatch_queue_t { get }
}

extension ExcutableQueue {
    func execute(closure: () -> Void) {
        dispatch_async(queue, closure)
    }