diff --git a/src/main.rs b/src/main.rs
index e465ed1..436ce82 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -147,21 +147,22 @@ pub struct RenderContext{
     camera: Camera,
 }
 
-fn render_line(y: i32, small_rng: &mut SmallRng, context: RenderContext  ) -> Vec<Vec3> {
+fn render_line(y: i32, small_rng: &mut SmallRng, context: RenderContext) -> Vec<Vec3> {
+    //TODO: Ensure that the compiler hoists the distribution's out as constants
+    // else, do so manually
     let distrib_zero_one = Uniform::new(0.0, 1.0);
     let distrib_plusminus_one = Uniform::new(-1.0, 1.0);
-    let mut line = Vec::<Vec3>::new();
-    for x in 0..context.image.0 {
-        let mut color = Vec3::zero();
-        for _ in 0..context.samples_per_pixel {
-            let u = ((x as f32) + small_rng.sample(distrib_zero_one)) / ((context.image.0 - 1) as f32);
-            let v = ((y as f32) + small_rng.sample(distrib_zero_one)) / ((context.image.1 - 1) as f32);
-            let ray = context.camera.get_ray(u, v, small_rng);
-            color+= ray_color(ray, &context.world, context.max_depth, small_rng, distrib_plusminus_one);
-        }
-        line.push(color);
-    }
-    return line;
+    (0..context.image.0).map(|x| {
+        (0..context.samples_per_pixel).into_iter().fold(
+            Vec3::zero(),
+            |color, _sample| {
+                let u = ((x as f32) + small_rng.sample(distrib_zero_one)) / ((context.image.0 - 1) as f32);
+                let v = ((y as f32) + small_rng.sample(distrib_zero_one)) / ((context.image.1 - 1) as f32);
+                let ray = context.camera.get_ray(u, v, small_rng);
+                color + ray_color(ray, &context.world, context.max_depth, small_rng, distrib_plusminus_one)
+            }
+        )
+    }).collect()
 }
 
 fn ray_color(r: Ray, world: &Hittable, depth: u32, srng: &mut SmallRng, distrib: Uniform<f32> ) -> Vec3 {