panic/foramt lint

rtiow/renderer/src/bvh.rs

@@ -78,10 +78,10 @@ fn box_z_compare(ah: &Box<dyn Hit>, bh: &Box<dyn Hit>) -> std::cmp::Ordering {
 // returns a reference.)
 fn vec_first_into<T>(v: Vec<T>) -> T {
     if v.len() != 1 {
-        panic!(format!(
+        panic!(
             "vec_first_into called for vector length != 1, length {}",
             v.len()
-        ));
+        );
     }
     v.into_iter().next().unwrap()
 }

rtiow/renderer/src/kdtree.rs

@@ -22,10 +22,10 @@ pub enum KDTree {
 // returns a reference.)
 fn vec_first_into<T>(v: Vec<T>) -> T {
     if v.len() != 1 {
-        panic!(format!(
+        panic!(
             "vec_first_into called for vector length != 1, length {}",
             v.len()
-        ));
+        );
     }
     v.into_iter().next().unwrap()
 }

rtiow/renderer/src/texture/image.rs

@@ -27,16 +27,16 @@ impl Texture for ImageTexture {
         let x = (u % 1. * (self.width - 1.)) as u32;
         let y = ((1. - v % 1.) * (self.height - 1.)) as u32;
         if x >= self.width as u32 {
-            panic!(format!(
+            panic!(
                 "u {} v {} x {} y {} w {} h {}",
                 u, v, x, y, self.width, self.height
-            ));
+            );
         }
         if y >= self.height as u32 {
-            panic!(format!(
+            panic!(
                 "u {} v {} x {} y {} w {} h {}",
                 u, v, x, y, self.width, self.height
-            ));
+            );
         }
         let pixel = self.img.get_pixel(x, y);
         Vec3::new(

rtiow/renderer/src/texture/mandelbrot.rs

@@ -27,7 +27,7 @@ fn hsv_to_rgb(h: f32, s: f32, v: f32) -> Vec3 {
         3 => Vec3::new(p, q, v),
         4 => Vec3::new(t, p, v),
         5 => Vec3::new(v, p, q),
-        _ => panic!(format!("Unknown H value {}", h_i)),
+        _ => panic!("Unknown H value {}", h_i),
     }
 }
 

rtiow/renderer/src/vec3.rs

@@ -144,7 +144,7 @@ impl Index<usize> for Vec3 {
             0 => &self.x,
             1 => &self.y,
             2 => &self.z,
-            _ => panic!(format!("idx {} out of range for vec3", idx)),
+            _ => panic!("idx {} out of range for vec3", idx),
         }
     }
 }