update lib docs

src/lib.rs

@@ -8,33 +8,25 @@
 //! Example:
 //! ```rust
 //! use iced_video_player::{Video, VideoPlayer};
-//! use iced::{Sandbox, Element};
 //!
-//! # #![allow(clippy::needless_doctest_main)]
-//! fn main() {
-//!     App::run(Default::default());
+//! fn main() -> iced::Result {
+//!     iced::run("Video Player", (), App::view)
 //! }
 //!
 //! struct App {
 //!     video: Video,
 //! }
 //!
-//! impl Sandbox for App {
-//!     type Message = ();
-//!
-//!     fn new() -> Self {
+//! impl Default for App {
+//!     fn default() -> Self {
 //!         App {
 //!             video: Video::new(&url::Url::parse("file:///C:/my_video.mp4").unwrap()).unwrap(),
 //!         }
 //!     }
-//!
-//!     fn title(&self) -> String {
-//!         String::from("Video Player")
 //! }
 //!
-//!     fn update(&mut self, _message: ()) {}
-//!
-//!     fn view(&mut self) -> Element<()> {
+//! impl App {
+//!     fn view(&self) -> iced::Element<()> {
 //!         VideoPlayer::new(&self.video).into()
 //!     }
 //! }