Stoff81

//: Playground - noun: a place where people can play

import UIKit

var drinks = """
{
    "drinks": [
        {
            "type": "water",
            "description": "All natural"

Stoff81

struct Drinks: Decodable {
    let drinks: [Drink]

    enum DrinksKey: CodingKey {
        case drinks
    }

    enum DrinkTypeKey: CodingKey {
        case type
    }

Stoff81

let jsonDecoder = JSONDecoder()
do {
    let results = try jsonDecoder.decode(Drinks.self, from:drinks.data(using: .utf8)!)
    for result in results.drinks {
        print(result.description)
        if let beer = result as? Beer {
            print(beer.alcohol_content)
        }
    }
} catch {

Stoff81

class Beer: Drink {
    var alcohol_content: String

    private enum CodingKeys: String, CodingKey {
        case alcohol_content
    }

    required init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        self.alcohol_content = try container.decode(String.self, forKey: .alcohol_content)

Stoff81

class Drink: Decodable {
    var type: String
    var description: String

    private enum CodingKeys: String, CodingKey {
        case type
        case description
    }
}

Stoff81

var drinks = """
{
    "drinks": [
        {
            "type": "water",
            "description": "All natural"
        },
        {
            "type": "orange_juice",
            "description": "Best drank with breakfast"