tidy some todosmain

2 files changed, 2 insertions, 6 deletions

diff --git a/src/hittable/aabb.rs b/src/hittable/aabb.rs
index 5c5c9fa..92b8fa1 100644
--- a/src/hittable/aabb.rs
+++ b/src/hittable/aabb.rs
@@ -16,9 +16,7 @@ impl AABB {
             let mut t0 = (self.minimum.get(a).unwrap() - ray.origin.get(a).unwrap()) * inv_d;
             let mut t1 = (self.maximum.get(a).unwrap() - ray.origin.get(a).unwrap()) * inv_d;
             if inv_d < 0.0 {
-                // TODO: destructuring assignments are unstable :(
-                //(t0, t1) = (t1, t0);
-                std::mem::swap(&mut t0, &mut t1);
+                (t0, t1) = (t1, t0);
             }
             t_min = if t0 > t_min { t0 } else { t_min };
             t_max = if t1 < t_max { t1 } else { t_max };
diff --git a/src/hittable/bvh_node.rs b/src/hittable/bvh_node.rs
index 405ab5b..64fa3a1 100644
--- a/src/hittable/bvh_node.rs
+++ b/src/hittable/bvh_node.rs
@@ -102,13 +102,11 @@ impl BVHNode {
             .bounding_box(0.0, 0.0)
             .expect("No bounding box in bvh_node constructor!");
 
-        // TODO: total_cmp is unstable :(
         box_a
             .minimum
             .get(axis as usize)
             .unwrap()
-            .partial_cmp(box_b.minimum.get(axis as usize).unwrap())
-            .unwrap()
+            .total_cmp(box_b.minimum.get(axis as usize).unwrap())
     }
 }