Swift - Dynamic member lookup.Swift

import Foundation

// Dynamic Member Lookup
@dynamicMemberLookup
struct Computer {
    var values: [String: String]
    subscript(dynamicMember member: String) -> String {
        return values[member, default: "Value for \(member) not exist"]
    }
}

let computerInfo = ["brand": "Apple", "type": "Macbook Pro", "price": "2999$"]
let computer = Computer(values: computerInfo)

print(computer.brand) // Apple
print(computer.type)  // Macbook Pro
print(computer.color) // Value for color not exist