https://www.swiftbysundell.com/posts/type-safe-identifiers-in-swift In "Identifying objects in Swift" we took a look at how objects can be identified using the built-in ObjectIdentifier type - and this week, we're going to construct similar identifi

Identifier

struct Identifier: Hashable {
    let string: String
}

extension Identifier: ExpressibleByStringLiteral {
    init(stringLiteral value: String) {
        string = value
    }
}

extension Identifier: CustomStringConvertible {
    var description: String { return string }
}

/*
Encode&Decode the string like this:
{
    "id": {
        "string": "49-12-90-21"
    },
    "name": "John"
}
*/
extension Identifier: Codable {
    init(from decoder: Decoder) throws {
        let container = try decoder.singleValueContainer()
        string = try container.decode(String.self)
    }
    
    func encode(to encoder: Encoder) throws {
        var container = encoder.singleValueContainer()
        try container.encode(string)
    }
}