Parser — a readable and generic μ snippet for JSON/Codable parsing

Parser.swift

//
// Parser 
// 
// 
struct Parser<T: Decodable> {
    
    static func parse(_ data: Data) -> T? {
        var parsedPayload: T?
        do {
            parsedPayload = try JSONDecoder().decode(T.self, from: data)
        } catch {
            debugPrint("parsing failed with error \"\(error)\" while expected to return type \"\(type(of: T.self))\"")
        }
        return parsedPayload
    }
}

struct Dog: Codable {
    enum CodingKeys: String, CodingKey {
        case image = "message"
    }
    public let image: String
}

URLSession.shared.dataTask(with: URL(string: "https://dog.ceo/api/breeds/image/random")!) { (data, _, _) in
    guard let data = data else { return }
    if let parsed = Parser<Dog>.parse(data) {
        print(parsed)
    }
}.resume()