Using Dictionary with Codable

gistfile1.txt

// Example of encoding and decoding a Swift Dictionary
let d = [
    "Casey": 35,
    "Erin": 34,
    "Declan": 2
]
print("Original Dictionary: \(d)")

let encoder = JSONEncoder()
if let encoded = try? encoder.encode(d)
{
    let decoder = JSONDecoder()
    if let decoded = try? decoder.decode(type(of: d), from: encoded) {
        print("Decoded Dictionary: \(decoded)")
    }
}