Error Code Mapping

#include <iostream>
#include <cstdint>
using namespace std;

// Declare a scoped 
enum class ErrorCode : uint8_t {
    None = 0,
    Timeout = 1,
    Overflow = 2,
    Invalid = 3
};

// Implement:
const char* toString(ErrorCode e){
    switch(e){
        case ErrorCode::None:
            return "None";
        case ErrorCode::Timeout:
            return "Timeout";
        case ErrorCode::Overflow:
            return "Overflow";
        case ErrorCode::Invalid:
            return "Invalid";
        default:
            return "UNDEFINED";
    }
}

int main() {
    int x;
    cin >> x;

    // Input value is guaranteed to be in the range 0&#8211;3
    ErrorCode e = static_cast<ErrorCode>(x);

    cout << toString(e);
    return 0;
}