SVGreg

protocol Observer: AnyObject {
    func onNext(_ event: Notifier.Event)
}

class Notifier {
    typealias Event = String
    
    class WeakContainer {
        private(set) weak var value: Observer?
        init(_ value: Observer?) {

SVGreg

import Foundation
import RealmSwift

class RealmService {
    static let version: UInt64 = 1
    
    static func configure() {
        Realm.Configuration.defaultConfiguration = Realm.Configuration(schemaVersion: version, migrationBlock: migrate)
    }
    

SVGreg

extension UInt {
    static var base: UInt {
        return 0
    }
    
    nonmutating func apply(bits: UInt, to range: ClosedRange<Int>) -> UInt {
        let cleanedSelf = self & (~(mask(range)))
        let clampedValue = bits & (mask(0...range.count))
        return cleanedSelf | (clampedValue << range.lowerBound)
    }

SVGreg

import Foundation
import RealmSwift

class RealmObjectAdapter<T: Object> {
    func objects() -> Results<T>? {
        return try? Realm().objects(T.self)
    }
    
    @discardableResult func create(_ value: [String: Any]? = nil) throws -> T {
        let object = T()

SVGreg

import Foundation
import UIKit

struct PickerIndexPath {
    var component: Int
    var row: Int
}

class PickerViewHandler: NSObject {
    let picker: UIPickerView

SVGreg

import Foundation
import CoreLocation

typealias LocationCompletion = (_ coordinate: CLLocationCoordinate2D?)->()

class LocationService: NSObject {
    static var expirationTime = TimeInterval(60 * 60 * 1)
    
    static let shared = LocationService()
    fileprivate let manager = CLLocationManager()

SVGreg

import UIKit

class TextFieldHandler: NSObject, UITextFieldDelegate {
    
    var maxLength: Int?
    var prefix: String?
    
    private var textField: UITextField
    
    init(with textField: UITextField) {

SVGreg

import UIKit

class KeyboardHandler {
    
    let scrollView: UIScrollView
    let responders: [UIView]
    
    var bottomContentMargin: CGFloat?
    
    init(with scrollView: UIScrollView, responders: [UIView]) {

SVGreg

import Foundation
import UIKit

protocol ConfigurableCell {
    func configure(with data: Any)
}

enum TableHandlerError: Error {
    case noData
    case invalidSection(Int)