diff --git a/benches/parabole.rs b/benches/parabole.rs
index 958c9c4..93e2ac2 100644
--- a/benches/parabole.rs
+++ b/benches/parabole.rs
@@ -101,11 +101,13 @@ fn criterion_benchmark(c: &mut Criterion) {
                             .filter(|&(n, _)| n % 2 == 1)
                             .map(|(_, wrapper)| wrapper)
                             .take(5),
-                    ).map(|(a, b)| a.individual.mate(&b.individual))
+                    )
+                    .map(|(a, b)| a.individual.mate(&b.individual))
                     .map(|individual| Wrapper {
                         individual,
                         fitness: None,
-                    }).for_each(|wrapper| {
+                    })
+                    .for_each(|wrapper| {
                         population.push(wrapper);
                     });
 
@@ -120,7 +122,8 @@ fn criterion_benchmark(c: &mut Criterion) {
                             individual,
                             fitness: None,
                         }
-                    }).collect_into_vec(population);
+                    })
+                    .collect_into_vec(population);
 
                 // Add all parents again.
                 population.extend(parents.iter().cloned());
diff --git a/examples/parabole.rs b/examples/parabole.rs
index 8016faf..cd5b76c 100644
--- a/examples/parabole.rs
+++ b/examples/parabole.rs
@@ -87,11 +87,13 @@ fn main() {
                         .filter(|&(n, _)| n % 2 == 1)
                         .map(|(_, wrapper)| wrapper)
                         .take(5),
-                ).map(|(a, b)| a.individual.mate(&b.individual))
+                )
+                .map(|(a, b)| a.individual.mate(&b.individual))
                 .map(|individual| Wrapper {
                     individual,
                     fitness: None,
-                }).for_each(|wrapper| {
+                })
+                .for_each(|wrapper| {
                     population.push(wrapper);
                 });
 
@@ -106,7 +108,8 @@ fn main() {
                         individual,
                         fitness: None,
                     }
-                }).collect_into_vec(population);
+                })
+                .collect_into_vec(population);
 
             // Add all parents again.
             population.extend(parents.iter().cloned());
diff --git a/src/lib.rs b/src/lib.rs
index 053aa85..0cea4bf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -88,7 +88,8 @@ where
             .map(|individual| Wrapper {
                 individual,
                 fitness: None,
-            }).for_each(|wrapper| {
+            })
+            .for_each(|wrapper| {
                 population.push(wrapper);
             });
 
@@ -139,7 +140,8 @@ where
             .map(|individual| Wrapper {
                 individual,
                 fitness: None,
-            }).collect_into_vec(&mut population);
+            })
+            .collect_into_vec(&mut population);
 
         ParSimulation { population }
     }