refactor: use .first instead of get(0)

SamyAB · Dec 28, 2023 · cf9c1e3 · cf9c1e3
1 parent 07dca6a
commit cf9c1e3
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/src/genetics.rs b/src/genetics.rs
@@ -187,8 +187,7 @@ impl Population {
         if individual_fitness_map.len() <= 1 {
             println!("The whole population died. Restarting from scratch");
             return Population::genesis(
-                self.individuals
-                    .get(0)
+                self.individuals.first()
                     .expect("A generation should always contain individuals")
                     .literals
                     .len(),
@@ -218,8 +217,7 @@ pub fn optimize(
     let mut population = Population::genesis(formula.number_of_literals, population_size);
     let mut all_time_best_fitness = 0_f64;
     let mut all_time_best_individual = population
-        .individuals
-        .get(0)
+        .individuals.first()
         .expect("Initial population should at least have a single individual")
         .clone();