1 files changed, 3 insertions, 7 deletions
diff --git a/rand/examples/monty-hall.rs b/rand/examples/monty-hall.rs
index 0932c5e..9fe5839 100644
--- a/rand/examples/monty-hall.rs
+++ b/rand/examples/monty-hall.rs
@@ -26,13 +26,10 @@
 //!
 //! [Monty Hall Problem]: https://en.wikipedia.org/wiki/Monty_Hall_problem
 
-#![cfg(feature="std")]
+#![cfg(feature = "std")]
 
-
-extern crate rand;
-
-use rand::Rng;
 use rand::distributions::{Distribution, Uniform};
+use rand::Rng;
 
 struct SimulationResult {
     win: bool,
@@ -40,8 +37,7 @@ struct SimulationResult {
 }
 
 // Run a single simulation of the Monty Hall problem.
-fn simulate<R: Rng>(random_door: &Uniform<u32>, rng: &mut R)
-                    -> SimulationResult {
+fn simulate<R: Rng>(random_door: &Uniform<u32>, rng: &mut R) -> SimulationResult {
     let car = random_door.sample(rng);
 
     // This is our initial choice