Move Sealed to separate file

ctru-rs/src/lib.rs

@@ -64,6 +64,7 @@ pub mod linear;
 pub mod mii;
 pub mod os;
 pub mod prelude;
+mod sealed;
 pub mod services;
 
 pub use crate::error::{Error, Result};

ctru-rs/src/sealed.rs

@@ -0,0 +1,15 @@
+//! This is a private module to prevent users from implementing certain traits.
+//! This is done by requiring a `Sealed` trait implementation, which can only be
+//! done in this crate.
+
+use crate::console::Console;
+use crate::services::gfx::{BottomScreen, TopScreen, TopScreen3D, TopScreenLeft, TopScreenRight};
+
+pub trait Sealed {}
+
+impl Sealed for TopScreen {}
+impl Sealed for TopScreen3D<'_> {}
+impl Sealed for TopScreenLeft {}
+impl Sealed for TopScreenRight {}
+impl Sealed for BottomScreen {}
+impl Sealed for Console<'_> {}

ctru-rs/src/services/gfx.rs

@@ -9,30 +9,17 @@ use std::marker::PhantomData;
 use std::sync::Mutex;
 
 use crate::error::Result;
+use crate::sealed::Sealed;
 use crate::services::gspgpu::{self, FramebufferFormat};
 use crate::services::ServiceReference;
 
-mod private {
-    use super::{BottomScreen, TopScreen, TopScreen3D, TopScreenLeft, TopScreenRight};
-    use crate::console::Console;
-
-    pub trait Sealed {}
-
-    impl Sealed for TopScreen {}
-    impl Sealed for TopScreen3D<'_> {}
-    impl Sealed for TopScreenLeft {}
-    impl Sealed for TopScreenRight {}
-    impl Sealed for BottomScreen {}
-    impl Sealed for Console<'_> {}
-}
-
 /// Trait to handle common functionality for all screens.
 ///
 /// This trait is implemented by the screen structs for working with frame buffers and
 /// drawing to the screens. Graphics-related code can be made generic over this
 /// trait to work with any of the given screens.
 #[doc(alias = "gfxScreen_t")]
-pub trait Screen: private::Sealed {
+pub trait Screen: Sealed {
     /// Returns the `libctru` value for the Screen kind.
     fn as_raw(&self) -> ctru_sys::gfxScreen_t;
 
@@ -101,7 +88,7 @@ pub struct TopScreen3D<'screen> {
 /// Trait for screens that can have its frame buffers swapped, when double buffering is enabled.
 ///
 /// This trait applies to all [`Screen`]s that have swappable frame buffers.
-pub trait Swap: private::Sealed {
+pub trait Swap: Sealed {
     /// Swaps the video buffers.
     ///
     /// Even if double buffering is disabled, "swapping" the buffers has the side effect
@@ -162,7 +149,7 @@ impl Swap for BottomScreen {
 /// A screen with buffers that can be flushed.
 ///
 /// This trait applies to any [`Screen`] that has data written to its frame buffer.
-pub trait Flush: private::Sealed {
+pub trait Flush: Sealed {
     /// Flushes the video buffer(s) for this screen.
     ///
     /// Note that you must still call [`Swap::swap_buffers`] after this method for the buffer contents to be displayed.