Fixed clippy suggestions

ctru-rs/examples/gfx-wide-mode.rs

@@ -1,5 +1,3 @@
-extern crate ctru;
-
 use ctru::console::Console;
 use ctru::services::hid::KeyPad;
 use ctru::services::{Apt, Hid};
@@ -10,7 +8,7 @@ fn main() {
     let apt = Apt::init().unwrap();
     let hid = Hid::init().unwrap();
     let gfx = Gfx::default();
-    let mut _console = Console::init(gfx.top_screen.borrow_mut());
+    let mut console = Console::init(gfx.top_screen.borrow_mut());
 
     println!("Press A to enable/disable wide screen mode.");
 
@@ -22,12 +20,12 @@ fn main() {
         }
 
         if hid.keys_down().contains(KeyPad::KEY_A) {
-            drop(_console);
+            drop(console);
 
             let wide_mode = gfx.top_screen.borrow().get_wide_mode();
             gfx.top_screen.borrow_mut().set_wide_mode(!wide_mode);
 
-            _console = Console::init(gfx.top_screen.borrow_mut());
+            console = Console::init(gfx.top_screen.borrow_mut());
             println!("Press A to enable/disable wide screen mode.");
         }
 

ctru-rs/examples/hello-world.rs

@@ -1,11 +1,8 @@
-extern crate ctru;
 use ctru::console::Console;
 use ctru::gfx::Gfx;
 use ctru::services::apt::Apt;
 use ctru::services::hid::{Hid, KeyPad};
 
-extern crate ferris_says;
-
 use std::io::BufWriter;
 
 fn main() {

ctru-rs/examples/network-sockets.rs

@@ -1,4 +1,3 @@
-extern crate ctru;
 use ctru::console::Console;
 use ctru::gfx::Gfx;
 use ctru::services::apt::Apt;

ctru-rs/src/gfx.rs

@@ -46,12 +46,10 @@ pub trait Screen {
     }
 }
 
-pub struct TopScreen {
-    _private: (),
-}
-pub struct BottomScreen {
-    _private: (),
-}
+#[non_exhaustive]
+pub struct TopScreen;
+#[non_exhaustive]
+pub struct BottomScreen;
 
 #[derive(Copy, Clone, Debug)]
 /// Side of top screen framebuffer
@@ -68,10 +66,10 @@ pub enum Side {
 /// provides helper functions and utilities for software rendering.
 ///
 /// The service exits when this struct is dropped.
+#[non_exhaustive]
 pub struct Gfx {
     pub top_screen: RefCell<TopScreen>,
     pub bottom_screen: RefCell<BottomScreen>,
-    _private: (),
 }
 
 impl Gfx {
@@ -88,9 +86,8 @@ impl Gfx {
             ctru_sys::gfxInit(top_fb_fmt.into(), bottom_fb_fmt.into(), use_vram_buffers);
         }
         Gfx {
-            top_screen: RefCell::new(TopScreen { _private: () }),
-            bottom_screen: RefCell::new(BottomScreen { _private: () }),
-            _private: (),
+            top_screen: RefCell::new(TopScreen),
+            bottom_screen: RefCell::new(BottomScreen),
         }
     }
 
@@ -169,9 +166,8 @@ impl Default for Gfx {
     fn default() -> Self {
         unsafe { ctru_sys::gfxInitDefault() };
         Gfx {
-            top_screen: RefCell::new(TopScreen { _private: () }),
-            bottom_screen: RefCell::new(BottomScreen { _private: () }),
-            _private: (),
+            top_screen: RefCell::new(TopScreen),
+            bottom_screen: RefCell::new(BottomScreen),
         }
     }
 }