cargo fmt.

rtiow/renderer/benches/spheres.rs

@@ -1,15 +1,12 @@
 #[macro_use]
 extern crate criterion;
 
-use criterion::Criterion;
-use criterion::ParameterizedBenchmark;
+use criterion::{Criterion, ParameterizedBenchmark};
 
-use rtiow::hitable::Hit;
-use rtiow::material::Lambertian;
-use rtiow::ray::Ray;
-use rtiow::sphere::Sphere;
-use rtiow::texture::ConstantTexture;
-use rtiow::vec3::Vec3;
+use rtiow::{
+    hitable::Hit, material::Lambertian, ray::Ray, sphere::Sphere, texture::ConstantTexture,
+    vec3::Vec3,
+};
 
 fn criterion_benchmark(c: &mut Criterion) {
     let sphere = Sphere::new(