diff --git a/examples/julia.rs b/examples/julia.rs
index b4834d6..adcd5f9 100644
--- a/examples/julia.rs
+++ b/examples/julia.rs
@@ -1,6 +1,6 @@
 extern crate minifb;
 
-use minifb::{Window, Key, WindowOptions};
+use minifb::{Key, Window, WindowOptions};
 
 const WIDTH: usize = 600;
 const HEIGHT: usize = 600;
@@ -8,66 +8,68 @@ const FRACTAL_DEPTH: u32 = 64;
 const GENERATION_INFINITY: f64 = 16.;
 
 fn main() {
-  let mut buffer: Vec<u32> = vec![0; WIDTH * HEIGHT];
+    let mut buffer: Vec<u32> = vec![0; WIDTH * HEIGHT];
 
-  let mut window = match Window::new("Fractal - ESC to exit", WIDTH, HEIGHT, WindowOptions::default()) {
-    Ok(win) => win,
-    Err(err) => {
-      println!("Unable to create window {}", err);
-      return;
-    }
-  };
-
-  let range = 2.0;
-  let x_min = 0. - range;
-  let y_min = 0. - range;
-
-  let x_max = 0. + range;
-  let y_max = 0. + range;
-
-  let mut angle: f64 = 0.0;
-
-  while window.is_open() && !window.is_key_down(Key::Escape) {
-
-    for i in 0..buffer.len() {
-      let mut real = map((i % WIDTH) as f64, 0., WIDTH as f64, x_min , x_max);
-      let mut imag = map((i / HEIGHT) as f64, 0., HEIGHT as f64, y_min, y_max);
-
-
-      let mut n = 0;
-
-      while n < FRACTAL_DEPTH {
-        let re = real.powf(2.) - imag.powf(2.);
-        let im = 2. * real * imag;
-
-        real = re + angle.cos();
-        imag = im + angle.sin();
-
-        if (real + imag).abs() > GENERATION_INFINITY {
-          break;  // Leave when achieve infinity
+    let mut window = match Window::new(
+        "Fractal - ESC to exit",
+        WIDTH,
+        HEIGHT,
+        WindowOptions::default(),
+    ) {
+        Ok(win) => win,
+        Err(err) => {
+            println!("Unable to create window {}", err);
+            return;
         }
-        n += 1;
-      }
+    };
 
-      buffer[i] = fill(n);
+    let range = 2.0;
+    let x_min = 0. - range;
+    let y_min = 0. - range;
+
+    let x_max = 0. + range;
+    let y_max = 0. + range;
+
+    let mut angle: f64 = 0.0;
+
+    while window.is_open() && !window.is_key_down(Key::Escape) {
+        for i in 0..buffer.len() {
+            let mut real = map((i % WIDTH) as f64, 0., WIDTH as f64, x_min, x_max);
+            let mut imag = map((i / HEIGHT) as f64, 0., HEIGHT as f64, y_min, y_max);
+
+            let mut n = 0;
+
+            while n < FRACTAL_DEPTH {
+                let re = real.powf(2.) - imag.powf(2.);
+                let im = 2. * real * imag;
+
+                real = re + angle.cos();
+                imag = im + angle.sin();
+
+                if (real + imag).abs() > GENERATION_INFINITY {
+                    break; // Leave when achieve infinity
+                }
+                n += 1;
+            }
+
+            buffer[i] = fill(n);
+        }
+
+        angle += 0.1;
+
+        // We unwrap here as we want this code to exit if it fails
+        window.update_with_buffer(&buffer).unwrap();
     }
-
-    angle += 0.1;
-
-    // We unwrap here as we want this code to exit if it fails
-    window.update_with_buffer(&buffer).unwrap();
-  }
 }
 
-
-fn map (val: f64, start1: f64, stop1: f64, start2: f64, stop2:f64) -> f64 {
-  start2 + (stop2 - start2) * ((val - start1) / (stop1 - start1))
+fn map(val: f64, start1: f64, stop1: f64, start2: f64, stop2: f64) -> f64 {
+    start2 + (stop2 - start2) * ((val - start1) / (stop1 - start1))
 }
 
-fn fill (n: u32) -> u32 {
-  if FRACTAL_DEPTH == n {
-    return 0x00;
-  } else {
-    return n * 32 % 255;
-  }
+fn fill(n: u32) -> u32 {
+    if FRACTAL_DEPTH == n {
+        return 0x00;
+    } else {
+        return n * 32 % 255;
+    }
 }