Decodable protocol implementation practice. Refer to https://developer.apple.com/documentation/foundation/jsondecoder

Decodable_Practice.swift

import Foundation
import AppKit

struct GroceryProduct: Decodable {
    var name: String
    var points: Int
    var description: String?
    
    enum CodingKeys: String, CodingKey {
        case name = "Name"
        case points = "Points"
        case description = "Description"
    }
}

let json = """
{
    "Name": "Durian",
    "Points": 600,
    "Description": "A fruit with a distinctive scent."
}
""".data(using: .utf8)!

let decoder = JSONDecoder()
let product = try decoder.decode(GroceryProduct.self, from: json)

print(product.name) // Prints "Durian"