// 假设这是服务端返回的统一定义的response格式
class BaseResponse<T: HandyJSON>: HandyJSON {
  var code: Int? // 服务端返回码
  var data: T? // 具体的data的格式和业务相关，故用泛型定义
  public required init() {}
}
// 假设这是某一个业务具体的数据格式定义
struct SampleData: HandyJSON {
  var id: Int?
}
let sample = SampleData(id: 2)
let resp = BaseResponse<SampleData>()
resp.code = 200
resp.data = sample
let jsonString = resp.toJSONString()! // 从对象实例转换到JSON字符串
print(jsonString) // print: {"code":200,"data":{"id":2}}
if let mappedObject = JSONDeserializer<BaseResponse<SampleData>>.deserializeFrom(json: jsonString) { // 从字符串转换为对象实例
  print(mappedObject.data?.id)
}

class BasicTypes: HandyJSON {
  var int: Int = 2
  var doubleOptional: Double?
  var stringImplicitlyUnwrapped: String!
  required init() {}
}
let jsonString = "{\"doubleOptional\":1.1,\"stringImplicitlyUnwrapped\":\"hello\",\"int\":1}"
if let object = BasicTypes.deserialize(from: jsonString) {
  // …
}

struct BasicTypes: HandyJSON {
  var int: Int = 2
  var doubleOptional: Double?
  var stringImplicitlyUnwrapped: String!
}
let jsonString = "{\"doubleOptional\":1.1,\"stringImplicitlyUnwrapped\":\"hello\",\"int\":1}"
if let object = BasicTypes.deserialize(from: jsonString) {
  // …
}

enum AnimalType: String, HandyJSONEnum {
  case Cat = "cat"
  case Dog = "dog"
  case Bird = "bird"
}
struct Animal: HandyJSON {
  var name: String?
  var type: AnimalType?
}
let jsonString = "{\"type\":\"cat\",\"name\":\"Tom\"}"
if let animal = Animal.deserialize(from: jsonString) {
  print(animal.type?.rawValue)
}

class BasicTypes: HandyJSON {
  var bool: Bool = true
  var intOptional: Int?
  var doubleImplicitlyUnwrapped: Double!
  var anyObjectOptional: Any?
  var arrayInt: Array<Int> = []
  var arrayStringOptional: Array<String>?
  var setInt: Set<Int>?
  var dictAnyObject: Dictionary<String, Any> = [:]
  var nsNumber = 2
  var nsString: NSString?
  required init() {}
}
let object = BasicTypes()
object.intOptional = 1
object.doubleImplicitlyUnwrapped = 1.1
object.anyObjectOptional = "StringValue"
object.arrayInt = [1, 2]
object.arrayStringOptional = ["a", "b"]
object.setInt = [1, 2]
object.dictAnyObject = ["key1": 1, "key2": "stringValue"]
object.nsNumber = 2
object.nsString = "nsStringValue"
let jsonString = object.toJSONString()!
if let object = JSONDeserializer<BasicTypes>.deserializeFrom(json: jsonString) {
  // ...
}

class Cat: HandyJSON {
  var id: Int64!
  var name: String!
  required init() {}
}
let jsonString = "{\"code\":200,\"msg\":\"success\",\"data\":{\"cat\":{\"id\":12345,\"name\":\"Kitty\"}}}"
if let cat = JSONDeserializer<Cat>.deserializeFrom(json: jsonString, designatedPath: "data.cat") {
  print(cat.name)
}

class Animal: HandyJSON {
  var id: Int?
  var color: String?
  required init() {}
}
class Cat: Animal {
  var name: String?
  required init() {}
}
let jsonString = "{\"id\":12345,\"color\":\"black\",\"name\":\"cat\"}"
if let cat = JSONDeserializer<Cat>.deserializeFrom(json: jsonString) {
  print(cat)
}

class BasicTypes: HandyJSON {
  var int: Int = 2
  var doubleOptional: Double?
  var stringImplicitlyUnwrapped: String!
  required init() {}
}
let object = BasicTypes()
object.int = 1
object.doubleOptional = 1.1
object.stringImplicitlyUnwrapped = “hello"
print(object.toJSON()!) // 序列化到字典
print(object.toJSONString()!) // 序列化到JSON字符串
print(object.toJSONString(prettyPrint: true)!) // 序列化为格式化后的JSON字符串