error handling rust

error.rs

fn some_operation() -> Result<str, Error> {
  if succeded() {
    Ok("We did it")
  } else {
    Err(Error::from("this not working"))
  }
}
  
fn main() {
  match some_operation() {
    Ok(data) => println!("Success!, {}", data),
    Err(msg) => println!("Error!, {}", msg)
  }  
}