vhart

class IdentifiableDispatchQueue {
    let key = DispatchSpecificKey<UUID>()
    let id = UUID()

    let queue: DispatchQueue

    convenience init(label: String) {
        let queue = DispatchQueue(label: label)

        self.init(queue: queue)

vhart

public enum Result<T, E: Error> {
    case success(T)
    case failure(E)
}

public enum NetworkError: Error {
    case invalidJson
    case badRequest
    case timeout
}

vhart

class BaseJsonDeserializer<T>: JsonDeserializer {
    init() {
        guard type(of: self) != BaseJsonDeserializer.self
            else { fatalError("do not initialize this abstract class directly") }
    }

    func parse(json: [String : Any]) -> T {
        fatalError("Abstract class. Subclass must override")
    }
}

vhart

class SomeDeserializer<T, D: JsonDeserializer>: JsonDeserializer {
    private let deserializer: D

    init<D: JsonDeserializer>(deserializer: D) where D.Response == T {
        self.deserializer = deserializer
    }

    func parse(json: [String : Any]) -> T {
        return deserializer.parse(json: json)
    }

vhart

class SomeDeserializer<T>: JsonDeserializer {
    private let deserializer: JsonDeserializer

    init<D: JsonDeserializer>(deserializer: D) where D.Response == T {
        self.deserializer = deserializer
    }

    func parse(json: [String : Any]) -> T {
        return deserializer.parse(json: json)
    }

vhart

class DeserializerBox<D: JsonDeserializer> {
    let deserializer: D

    init(deserializer: D) {
        self.deserializer = deserializer
    }
}

class Session<P>: NetworkSession {
    typealias Payload = P

vhart

enum Result<T, E: Error> {
    case success(T)
    case failure(E)
}

enum NetworkError: Error {
    case invalidJson
    case badRequest
    case timeout
}

vhart

/*
from console. `po NSHomeDirectory()`
from terminal cd to that path
cd into Documents
LogFile.txt should be there

To see content update live run tail -F LogFile.txt
*/

public class BasicLogger: NSObject {

vhart

class BasicLogger: NSObject {
    private static let queue = dispatch_queue_create("com.vhart.BasicLoggerQueue", DISPATCH_QUEUE_SERIAL)
    private static let dateFormatter = NSDateFormatter()

    static var filePath: String {
        return fileUrl.path!
    }

    static var fileUrl: NSURL {

vhart

import UIKit
import Foundation

struct StringLayoutHandler {

    enum SerializationTokens: String {
        case tab = "T"
        case newline = "N"
        
        var token: String { return "#" + rawValue }