Implement traits for &mut T (#133)

rust-windowing · Jul 16, 2023 · 64d2269 · 64d2269
1 parent e3d2e69
commit 64d2269
Show file tree

Hide file tree

Showing 2 changed files with 23 additions and 0 deletions.
diff --git a/src/borrowed.rs b/src/borrowed.rs
@@ -50,6 +50,12 @@ impl<H: HasDisplayHandle + ?Sized> HasDisplayHandle for &H {
     }
 }
 
+impl<H: HasDisplayHandle + ?Sized> HasDisplayHandle for &mut H {
+    fn display_handle(&self) -> Result<DisplayHandle<'_>, HandleError> {
+        (**self).display_handle()
+    }
+}
+
 #[cfg(feature = "alloc")]
 impl<H: HasDisplayHandle + ?Sized> HasDisplayHandle for alloc::boxed::Box<H> {
     fn display_handle(&self) -> Result<DisplayHandle<'_>, HandleError> {
@@ -167,6 +173,12 @@ impl<H: HasWindowHandle + ?Sized> HasWindowHandle for &H {
     }
 }
 
+impl<H: HasWindowHandle + ?Sized> HasWindowHandle for &mut H {
+    fn window_handle(&self) -> Result<WindowHandle<'_>, HandleError> {
+        (**self).window_handle()
+    }
+}
+
 #[cfg(feature = "alloc")]
 impl<H: HasWindowHandle + ?Sized> HasWindowHandle for alloc::boxed::Box<H> {
     fn window_handle(&self) -> Result<WindowHandle<'_>, HandleError> {

diff --git a/src/lib.rs b/src/lib.rs
@@ -79,6 +79,11 @@ unsafe impl<'a, T: HasRawWindowHandle + ?Sized> HasRawWindowHandle for &'a T {
         (*self).raw_window_handle()
     }
 }
+unsafe impl<'a, T: HasRawWindowHandle + ?Sized> HasRawWindowHandle for &'a mut T {
+    fn raw_window_handle(&self) -> Result<RawWindowHandle, HandleError> {
+        (**self).raw_window_handle()
+    }
+}
 #[cfg(feature = "alloc")]
 #[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
 unsafe impl<T: HasRawWindowHandle + ?Sized> HasRawWindowHandle for alloc::rc::Rc<T> {
@@ -220,6 +225,12 @@ unsafe impl<'a, T: HasRawDisplayHandle + ?Sized> HasRawDisplayHandle for &'a T {
     }
 }
 
+unsafe impl<'a, T: HasRawDisplayHandle + ?Sized> HasRawDisplayHandle for &'a mut T {
+    fn raw_display_handle(&self) -> Result<RawDisplayHandle, HandleError> {
+        (**self).raw_display_handle()
+    }
+}
+
 #[cfg(feature = "alloc")]
 #[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
 unsafe impl<T: HasRawDisplayHandle + ?Sized> HasRawDisplayHandle for alloc::rc::Rc<T> {