diff --git a/src/lib.rs b/src/lib.rs
index 66ecc89..0cea4bf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,7 +24,7 @@ pub struct MaximizeSelector {
 
 impl MaximizeSelector {
     pub fn new(count: usize) -> Self {
-        MaximizeSelector { count: count }
+        MaximizeSelector { count }
     }
 }
 
@@ -45,7 +45,7 @@ pub struct MinimizeSelector {
 
 impl MinimizeSelector {
     pub fn new(count: usize) -> Self {
-        MinimizeSelector { count: count }
+        MinimizeSelector { count }
     }
 }
 
@@ -86,16 +86,14 @@ where
         initial
             .into_iter()
             .map(|individual| Wrapper {
-                individual: individual,
+                individual,
                 fitness: None,
             })
             .for_each(|wrapper| {
                 population.push(wrapper);
             });
 
-        Simulation {
-            population: population,
-        }
+        Simulation { population }
     }
 
     #[inline]
@@ -140,14 +138,12 @@ where
         initial
             .into_par_iter()
             .map(|individual| Wrapper {
-                individual: individual,
+                individual,
                 fitness: None,
             })
             .collect_into_vec(&mut population);
 
-        ParSimulation {
-            population: population,
-        }
+        ParSimulation { population }
     }
 
     #[inline]