codable property wrapper

CodableEnum.swift

import UIKit

@propertyWrapper
struct CodableEnum<T: RawRepresentable>: Codable where T.RawValue: Codable {
    private var value: T.RawValue
    var wrappedValue: T {
        get { T(rawValue: value)! }
        set { value = newValue.rawValue }
    }
    
    init(from decoder: Decoder) throws {
        let container = try decoder.singleValueContainer()
        value = try container.decode(T.RawValue.self)
    }
    
    func encode(to encoder: Encoder) throws {
        var container = encoder.singleValueContainer()
        try container.encode(value)
    }
}