0001    //
0002    //  JSONEncodable.swift
0003    //  Freddy
0004    //
0005    //  Created by Matthew Mathias on 1/4/16.
0006    //  Copyright © 2016 Big Nerd Ranch. All rights reserved.
0007    //
0008    
0009    import Foundation
0010    
0011    /// A protocol to facilitate encoding and decoding of `JSON`.
0012    public protocol JSONEncodable
JSONEncodable.swift:45
extension Int: JSONEncodable {
JSONEncodable.swift:53
extension Double: JSONEncodable {
JSONEncodable.swift:61
extension String: JSONEncodable {
JSONEncodable.swift:69
extension Bool: JSONEncodable { {
0013        /// Converts an instance of a conforming type to `JSON`.
0014        /// - returns: An instance of `JSON`.
0015        /// - Note: If conforming to `JSONEncodable` with a custom type of your own, you should return an instance of 
0016        /// `JSON.Dictionary`.
0017        func toJSON
JSONEncodable.swift:24
        let arrayOfJSON = self.map { $0.toJSON() }
JSONEncodable.swift:38
            jsonDictionary[key] = v.toJSON()
JSONEncodable.swift:81
        return rawValue.toJSON()() -> JSON
0018    }
0019    
0020    extension Array where Element: JSONEncodable {
0021        /// Converts an instance of `Array` whose elements conform to `JSONEncodable` to `JSON`.
0022        /// - returns: An instance of `JSON` where the enum case is `.Array`.
0023        public func toJSON() -> JSON {
0024            let arrayOfJSON = self.map { $0.toJSON() }
0025            return .Array(arrayOfJSON)
0026        }
0027    }
0028    
0029    extension Dictionary where Value: JSONEncodable {
0030        /// Converts an instance of `Dictionary` whose values conform to `JSONEncodable` to `JSON`.  The keys in the resulting
0031        /// `JSON.Dictionary` will be of type `String`.
0032        /// - returns: An instance of `JSON` where the enum case is `.Dictionary`.
0033        public func toJSON() -> JSON {
0034            var jsonDictionary = [String: JSON]()
0035            
0036            for (k, v) in self {
0037                let key = String(k)
0038                jsonDictionary[key] = v.toJSON()
0039            }
0040            
0041            return .Dictionary(jsonDictionary)
0042        }
0043    }
0044    
0045    extension Int: JSONEncodable {
0046        /// Converts an instance of a conforming type to `JSON`.
0047        /// - returns: An instance of `JSON` where the enum case is `.Int`.
0048        public func toJSON() -> JSON {
0049            return .Int(self)
0050        }
0051    }
0052    
0053    extension Double: JSONEncodable {
0054        /// Converts an instance of a conforming type to `JSON`.
0055        /// - returns: An instance of `JSON` where the enum case is `.Double`.
0056        public func toJSON() -> JSON {
0057            return .Double(self)
0058        }
0059    }
0060    
0061    extension String: JSONEncodable {
0062        /// Converts an instance of a conforming type to `JSON`.
0063        /// - returns: An instance of `JSON` where the enum case is `.String`.
0064        public func toJSON() -> JSON {
0065            return .String(self)
0066        }
0067    }
0068    
0069    extension Bool: JSONEncodable {
0070        /// Converts an instance of a conforming type to `JSON`.
0071        /// - returns: An instance of `JSON` where the enum case is `.Bool`.
0072        public func toJSON() -> JSON {
0073            return .Bool(self)
0074        }
0075    }
0076    
0077    extension RawRepresentable where RawValue: JSONEncodable {
0078        /// Converts an instance of a conforming type to `JSON`.
0079        /// - returns: An instance of `JSON` where the enum case is whatever the underlying `RawValue` converts to.
0080        public func toJSON() -> JSON {
0081            return rawValue.toJSON()
0082        }
0083    }
0084