From e1c430b9b296a3177d11c49f535a9739b8171261 Mon Sep 17 00:00:00 2001
From: Bill Thiede <git@xinu.tv>
Date: Sat, 22 Sep 2018 12:25:22 -0700
Subject: [PATCH] Clippy lint.

---
 rtiow/src/kdtree.rs   | 9 +++------
 rtiow/src/renderer.rs | 4 ++--
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/rtiow/src/kdtree.rs b/rtiow/src/kdtree.rs
index e36c8f0..f6be57d 100644
--- a/rtiow/src/kdtree.rs
+++ b/rtiow/src/kdtree.rs
@@ -25,10 +25,7 @@ fn vec_first_into<T>(v: Vec<T>) -> T {
             v.len()
         ));
     }
-    for i in v.into_iter() {
-        return i;
-    }
-    panic!("Unreachable");
+    v.into_iter().next().unwrap()
 }
 
 fn vec_split_into<T>(v: Vec<T>, offset: usize) -> (Vec<T>, Vec<T>) {
@@ -167,9 +164,9 @@ impl Hit for KDTree {
                 None => None,
                 Some(_bbox) => match (left.hit(r, t_min, t_max), right.hit(r, t_min, t_max)) {
                     (Some(hit_left), Some(hit_right)) => if hit_left.t < hit_right.t {
-                        return Some(hit_left);
+                        Some(hit_left)
                     } else {
-                        return Some(hit_right);
+                        Some(hit_right)
                     },
                     (Some(hit_left), None) => Some(hit_left),
                     (None, Some(hit_right)) => Some(hit_right),
diff --git a/rtiow/src/renderer.rs b/rtiow/src/renderer.rs
index 586ccef..9eb51c4 100644
--- a/rtiow/src/renderer.rs
+++ b/rtiow/src/renderer.rs
@@ -128,7 +128,7 @@ fn render_worker(
     tid: usize,
     scene: &Scene,
     input_chan: channel::Receiver<usize>,
-    output_chan: channel::Sender<(usize, Vec<Vec3>)>,
+    output_chan: &channel::Sender<(usize, Vec<Vec3>)>,
 ) {
     for subsample in input_chan {
         let mut pixel_data: Vec<Vec3> = Vec::with_capacity(scene.width * scene.height);
@@ -153,7 +153,7 @@ pub fn render(scene: Scene, output_dir: &Path) -> std::result::Result<(), std::i
         let seq_rx = seq_rx.clone();
         let pixel_data_tx = pixel_data_tx.clone();
         thread::spawn(move || {
-            render_worker(i, &s, seq_rx, pixel_data_tx);
+            render_worker(i, &s, seq_rx, &pixel_data_tx);
         });
     }
     drop(seq_rx);