use std::fmt::Debug;

enum ResultVal<V: Debug, E: Debug> {
    Error(E),
    Value(V)
}

type TestResult = ResultVal<String, String>;

fn print_result(res: TestResult) {
    match res {
        TestResult::Error(e: String) => println!("Error: {:?}", e),
        TestResult::Value(v: String) => println!("We are good {:?}", v)
    }
}

fn main() {
    let res_err: