daehn

import UIKit

/// Object observing keyboard changes and passing a `KeyboardChangeInfo` to notify about changes.
final class KeyboardObserver: NSObject {

    typealias KeyboardChangeClosure = (KeyboardChangeInfo) -> Void
    let changeClosure: KeyboardChangeClosure

    // MARK: - Private

daehn

import UIKit
import CoreSpotlight
import MobileCoreServices

public typealias Completion = NSError? -> Void

// MARK: - Searchable Protocol

public protocol Searchable {
    static var spotlightDomainIdentifier: String { get }

daehn

import Foundation

extension Equatable {

    /// Whether `self` is contained in a list of other values.
    /// Variadic version, see the method below for the generic implementation.
    ///
    /// - Parameter others: The values that `self` should be checked against.
    /// - Returns: Whether or not `self` is one of the provided other values.
    func isOne(of others: Self...) -> Bool {

daehn

import Foundation

final class Log: NSObject {

    enum Topic: String {
        case network, app
    }

    private enum Level: String {
        case info = ""

daehn

import Foundation
import SystemConfiguration

extension Notification.Name {
    public static let reachabilityChanged = Notification.Name(rawValue: "reachabilityChanged")
}

protocol ReachabilityObserver: class {
    func reachabilityDidChange(_ reachability: Reachability)
}

daehn

extension String {

    subscript(index: Int) -> Character {
        return self[startIndex.advancedBy(index)]
    }

    subscript(range: Range<Int>) -> String {
        let start = startIndex.advancedBy(range.startIndex)
        let end = startIndex.advancedBy(range.endIndex)

daehn

extension DispatchQueue {

    /// Helper method to use when reading from a resource
    /// that is being isolated by this queue.
    ///
    /// Using this method retriving a value like this:
    /// ```
    /// var result: T?
    /// queue.sync {
    ///     result = resource["key"]

daehn

import UIKit
import PlaygroundSupport

PlaygroundPage.current.needsIndefiniteExecution = true


extension Comparable {
    /// Clamp the value between `low` and `high`
    func clamp(_ low: Self, _ high: Self) -> Self {

daehn

public extension IteratorProtocol {

    mutating public func any(_ predicate: (Element) throws -> Bool) rethrows -> Bool {
        guard let current = next() else { return false }
        return try predicate(current) || any(predicate)
    }

    mutating public func all(_ predicate: (Element) throws -> Bool) rethrows -> Bool {
        guard let current = next() else { return true }
        return try predicate(current) && all(predicate)

daehn

NSMutableDictionary *vibrationParameters = [[NSMutableDictionary alloc] init];
vibrationParameters[@"VibePattern"] = @[@YES, @100];
vibrationParameters[@"Intensity"] = @1;

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wimplicit-function-declaration"
AudioServicesStopSystemSound(kSystemSoundID_Vibrate);
AudioServicesPlaySystemSoundWithVibration(kSystemSoundID_Vibrate, nil, vibrationParameters);
#pragma clang diagnostic pop