fn main() {
   #[allow(dead_code)]
   enum ProgrammingLanguages{
       Rust(u8),
       C,
       CPlusPlus,
       Dart(u8),
   }
   
   let x = ProgrammingLanguages::Rust(1);
   match x {
       ProgrammingLanguages::Rust(x)=> println!("Rust is a {}st language",x),
       ProgrammingLanguages::C => println!("C programming language"),
       ProgrammingLanguages::CPlusPlus => println!("C++ object oriented programming language"),
       ProgrammingLanguages::Dart(x) => println!("Dart is a ranks number {} modern high level programming language
       ",x),
       //_ => ()
       }
   
    
}