Even more lints

ctru-rs/examples/camera-image.rs

@@ -140,8 +140,8 @@ fn rotate_image_to_screen(src: &[u8], framebuf: *mut u8, width: usize, height: u
             unsafe {
                 // We'll work with pointers since the framebuffer is a raw pointer regardless.
                 // The offsets are completely safe as long as the width and height are correct.
-                let pixel_pointer = framebuf.offset(draw_index as isize);
+                let pixel_pointer = framebuf.add(draw_index);
-                pixel_pointer.copy_from(src.as_ptr().offset(read_index as isize), 2);
+                pixel_pointer.copy_from(src.as_ptr().add(read_index), 2);
             }
         }
     }

ctru-rs/examples/title-info.rs

@@ -58,19 +58,17 @@ fn main() {
 
         if hid.keys_down().intersects(KeyPad::DOWN) {
             if offset + 1 < cur_list.len() {
-                offset = offset + 1;
+                offset += 1;
-                refresh = true;
-            }
-        } else if hid.keys_down().intersects(KeyPad::UP) {
-            if offset > 0 {
-                offset = offset - 1;
                 refresh = true;
             }
+        } else if hid.keys_down().intersects(KeyPad::UP) && offset > 0 {
+            offset -= 1;
+            refresh = true;
         }
 
         // Render the title list via a scrollable text UI.
         if refresh {
-            let mut selected_title = cur_list.iter().skip(offset).next().unwrap();
+            let mut selected_title = cur_list.iter().nth(offset).unwrap();
 
             // Clear the top screen and write title IDs to it.
             top_screen.select();

ctru-rs/src/services/romfs.rs

@@ -87,7 +87,7 @@ mod tests {
     fn romfs_lock() {
         let romfs = RomFS::new().unwrap();
 
-        let _value = *ROMFS_ACTIVE.try_lock().unwrap();
+        *ROMFS_ACTIVE.try_lock().unwrap();
 
         drop(romfs);
     }