Merge pull request #521 from Tehnix/master

Update Uuid::new_v4 documentation to reflect `Try` no longer being implemented

src/lib.rs

@@ -87,17 +87,16 @@
 //!
 //! To create a new random (V4) UUID and print it out in hexadecimal form:
 //!
-//! ```ignore,rust
+//! ```rust
 //! // Note that this requires the `v4` feature enabled in the uuid crate.
 //!
 //! use uuid::Uuid;
 //!
-//! fn main() -> Result<(), Box<dyn std::error::Error>> {
-//!     #[cfg(feature = "v4")] {
-//!         let my_uuid = Uuid::new_v4()?;
-//!         println!("{}", my_uuid);
-//!     }
-//!     Ok(())
+//! fn main() {
+//! #    #[cfg(feature = "v4")] {
+//!      let my_uuid = Uuid::new_v4();
+//!      println!("{}", my_uuid)
+//! #    }
 //! }
 //! ```
 //!