extern crate failure;
#[macro_use]
extern crate failure_derive;

use failure::Fallible;

#[derive(Fail, Debug)]
pub enum PlaybackErr {
    #[fail(display = "Player Instance error: {}", _0)]
    Instance(&'static str),
    #[fail(display = "Player Media error: {}", _0)]
    Media(&'static str),
}

pub fn test() -> Fallible<i32> {
    let value: Option<i32> = None;
    let r = value.ok_or(PlaybackErr::Media("Media out of sync."))?;
    Ok(r)
}

fn main() {
    let _n = test();
}