refactor: nicer code

src/main.rs

@@ -229,7 +229,7 @@ fn draw_rotating_mesh(meshes: Vec<Mesh>) -> anyhow::Result<()> {
         thread::sleep(Duration::from_millis(10));
     }
 
-    Ok(())
+    unreachable!()
 }
 
 fn main() -> anyhow::Result<()> {
@@ -304,6 +304,5 @@ fn main() -> anyhow::Result<()> {
         thing,
     ])?;
 
-    loop {}
     unreachable!()
 }