pushAndPop.rs

pushAndPop.rs

fn push(&mut self, value: u8) -> (){
  self.stack.push(value);
}
fn pop(&mut self) -> u8{
  let a: Option<u8>=self.stack.pop();
  match a{
    None => {
      println!("Failed to pop");
      0
    },
    Some(result) => {
      result
    }
  }
}