fix clippy, nitpicks

Cargo.toml

@@ -22,6 +22,6 @@ futures = "0.3.1"
 
 [features]
 wasm-bindgen = [
-	"gloo-timers",
-	"send_wrapper"
+    "gloo-timers",
+    "send_wrapper"
 ]

src/lib.rs

@@ -2,15 +2,13 @@
 //!
 //! # Examples
 //!
-//! ```no_run
-//! # #[async_std::main]
-//! # async fn main() {
+//! ```
 //! use std::time::Duration;
 //! use futures_timer::Delay;
+//! use futures::executor::block_on;
 //!
-//! let now = Delay::new(Duration::from_secs(3)).await;
+//! let now = block_on(Delay::new(Duration::from_secs(3)));
 //! println!("waited for 3 secs");
-//! # }
 //! ```
 
 #![deny(missing_docs)]