Update.

Fmt.

examples/parabole.rs

@@ -1,15 +1,13 @@
+extern crate genetisk;
 extern crate rand;
 extern crate rayon;
-extern crate genetisk;
 
 use std::cmp::Ordering;
 
-
 use rand::distributions::{IndependentSample, Range};
 use rayon::prelude::*;
 
-use genetisk::{Individual, Wrapper, MaximizeSelector, MinimizeSelector, Select, Simulation};
-
+use genetisk::{Individual, MaximizeSelector, MinimizeSelector, Select, Simulation, Wrapper};
 
 #[derive(Clone, Copy, Debug)]
 struct Fitness(f64);
@@ -34,7 +32,6 @@ impl Ord for Fitness {
     }
 }
 
-
 #[derive(Clone, Debug)]
 struct Parabole {
     x: f64,
@@ -44,7 +41,9 @@ impl Individual for Parabole {
     type Fitness = Fitness;
 
     fn mate(&self, other: &Parabole) -> Parabole {
-        Parabole { x: (self.x + other.x) / 2.0 }
+        Parabole {
+            x: (self.x + other.x) / 2.0,
+        }
     }
 
     fn mutate(&mut self) {
@@ -61,7 +60,6 @@ impl Individual for Parabole {
     }
 }
 
-
 fn main() {
     let initial = (0..300)
         .map(|i| Parabole { x: i as f64 })
@@ -91,13 +89,13 @@ fn main() {
                         .take(5),
                 )
                 .map(|(a, b)| a.individual.mate(&b.individual))
-                .map(|individual| {
-                    Wrapper {
-                        individual: individual,
-                        fitness: None,
-                    }
+                .map(|individual| Wrapper {
+                    individual: individual,
+                    fitness: None,
                 })
-                .for_each(|wrapper| { population.push(wrapper); });
+                .for_each(|wrapper| {
+                    population.push(wrapper);
+                });
 
             // Mutate all to get new children.
             parents