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https://github.com/bevyengine/bevy
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Enable clippy::undocumented_unsafe_blocks
warning across the workspace (#10646)
# Objective Enables warning on `clippy::undocumented_unsafe_blocks` across the workspace rather than only in `bevy_ecs`, `bevy_transform` and `bevy_utils`. This adds a little awkwardness in a few areas of code that have trivial safety or explain safety for multiple unsafe blocks with one comment however automatically prevents these comments from being missed. ## Solution This adds `undocumented_unsafe_blocks = "warn"` to the workspace `Cargo.toml` and fixes / adds a few missed safety comments. I also added `#[allow(clippy::undocumented_unsafe_blocks)]` where the safety is explained somewhere above. There are a couple of safety comments I added I'm not 100% sure about in `bevy_animation` and `bevy_render/src/view` and I'm not sure about the use of `#[allow(clippy::undocumented_unsafe_blocks)]` compared to adding comments like `// SAFETY: See above`.
This commit is contained in:
parent
897b13bf9d
commit
e67cfdf82b
13 changed files with 28 additions and 16 deletions
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@ -32,6 +32,7 @@ members = [
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[workspace.lints.clippy]
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type_complexity = "allow"
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doc_markdown = "warn"
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undocumented_unsafe_blocks = "warn"
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[lints]
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workspace = true
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@ -646,6 +646,7 @@ fn apply_animation(
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let Ok(mut transform) = (unsafe { transforms.get_unchecked(target) }) else {
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continue;
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};
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// SAFETY: As above, there can't be other AnimationPlayers with this target so this fetch can't alias
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let mut morphs = unsafe { morphs.get_unchecked(target) };
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for curve in curves {
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// Some curves have only one keyframe used to set a transform
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@ -1,4 +1,3 @@
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#![warn(clippy::undocumented_unsafe_blocks)]
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#![warn(missing_docs)]
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#![doc = include_str!("../README.md")]
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@ -1,4 +1,4 @@
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#![allow(clippy::all)]
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#![allow(clippy::all, clippy::undocumented_unsafe_blocks)]
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use glam::{Vec2, Vec3};
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@ -244,14 +244,14 @@ impl<'a, A: IsAligned> PtrMut<'a, A> {
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/// Gets a [`PtrMut`] from this with a smaller lifetime.
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#[inline]
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pub fn reborrow(&mut self) -> PtrMut<'_, A> {
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// SAFE: the ptrmut we're borrowing from is assumed to be valid
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// SAFETY: the ptrmut we're borrowing from is assumed to be valid
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unsafe { PtrMut::new(self.0) }
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}
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/// Gets an immutable reference from this mutable reference
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#[inline]
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pub fn as_ref(&self) -> Ptr<'_, A> {
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// SAFE: The `PtrMut` type's guarantees about the validity of this pointer are a superset of `Ptr` s guarantees
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// SAFETY: The `PtrMut` type's guarantees about the validity of this pointer are a superset of `Ptr` s guarantees
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unsafe { Ptr::new(self.0) }
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}
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}
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@ -327,14 +327,14 @@ impl<'a, A: IsAligned> OwningPtr<'a, A> {
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/// Gets an immutable pointer from this owned pointer.
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#[inline]
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pub fn as_ref(&self) -> Ptr<'_, A> {
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// SAFE: The `Owning` type's guarantees about the validity of this pointer are a superset of `Ptr` s guarantees
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// SAFETY: The `Owning` type's guarantees about the validity of this pointer are a superset of `Ptr` s guarantees
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unsafe { Ptr::new(self.0) }
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}
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/// Gets a mutable pointer from this owned pointer.
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#[inline]
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pub fn as_mut(&mut self) -> PtrMut<'_, A> {
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// SAFE: The `Owning` type's guarantees about the validity of this pointer are a superset of `Ptr` s guarantees
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// SAFETY: The `Owning` type's guarantees about the validity of this pointer are a superset of `Ptr` s guarantees
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unsafe { PtrMut::new(self.0) }
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}
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}
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@ -251,6 +251,7 @@ impl Plugin for RenderPlugin {
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app.insert_resource(FutureRendererResources(
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future_renderer_resources_wrapper.clone(),
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));
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// SAFETY: Plugins should be set up on the main thread.
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unsafe { initialize_render_app(app) };
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}
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RenderCreation::Automatic(render_creation) => {
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@ -271,8 +272,8 @@ impl Plugin for RenderPlugin {
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backends,
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dx12_shader_compiler: settings.dx12_shader_compiler.clone(),
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});
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// SAFETY: Plugins should be set up on the main thread.
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let surface = primary_window.map(|wrapper| unsafe {
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// SAFETY: Plugins should be set up on the main thread.
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let handle = wrapper.get_handle();
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instance
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.create_surface(&handle)
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@ -313,6 +314,7 @@ impl Plugin for RenderPlugin {
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#[cfg(not(target_arch = "wasm32"))]
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futures_lite::future::block_on(async_renderer);
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// SAFETY: Plugins should be set up on the main thread.
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unsafe { initialize_render_app(app) };
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}
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}
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@ -453,7 +455,7 @@ unsafe fn initialize_render_app(app: &mut App) {
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"An entity was spawned after the entity list was cleared last frame and before the extract schedule began. This is not supported",
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);
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// This is safe given the clear_entities call in the past frame and the assert above
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// SAFETY: This is safe given the clear_entities call in the past frame and the assert above
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unsafe {
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render_app
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.world
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@ -58,6 +58,7 @@ macro_rules! render_resource_wrapper {
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// If in future there is a case where a wrapper is required for a non-send/sync type
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// we can implement a macro variant that omits these manual Send + Sync impls
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unsafe impl Send for $wrapper_type {}
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// SAFETY: As explained above, we ensure correctness by checking that $wgpu_type implements Send and Sync.
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unsafe impl Sync for $wrapper_type {}
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const _: () = {
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trait AssertSendSyncBound: Send + Sync {}
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@ -252,12 +252,15 @@ pub fn prepare_windows(
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let surface_data = window_surfaces
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.surfaces
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.entry(window.entity)
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.or_insert_with(|| unsafe {
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// NOTE: On some OSes this MUST be called from the main thread.
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// As of wgpu 0.15, only fallible if the given window is a HTML canvas and obtaining a WebGPU or WebGL2 context fails.
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let surface = render_instance
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.create_surface(&window.handle.get_handle())
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.expect("Failed to create wgpu surface");
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.or_insert_with(|| {
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// SAFETY: The window handles in ExtractedWindows will always be valid objects to create surfaces on
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let surface = unsafe {
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// NOTE: On some OSes this MUST be called from the main thread.
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// As of wgpu 0.15, only fallible if the given window is a HTML canvas and obtaining a WebGPU or WebGL2 context fails.
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render_instance
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.create_surface(&window.handle.get_handle())
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.expect("Failed to create wgpu surface")
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};
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let caps = surface.get_capabilities(&render_adapter);
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let formats = caps.formats;
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// For future HDR output support, we'll need to request a format that supports HDR,
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@ -353,12 +353,16 @@ impl TaskPool {
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// Any usages of the references passed into `Scope` must be accessed through
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// the transmuted reference for the rest of this function.
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let executor: &async_executor::Executor = &self.executor;
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// SAFETY: As above, all futures must complete in this function so we can change the lifetime
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let executor: &'env async_executor::Executor = unsafe { mem::transmute(executor) };
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// SAFETY: As above, all futures must complete in this function so we can change the lifetime
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let external_executor: &'env ThreadExecutor<'env> =
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unsafe { mem::transmute(external_executor) };
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// SAFETY: As above, all futures must complete in this function so we can change the lifetime
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let scope_executor: &'env ThreadExecutor<'env> = unsafe { mem::transmute(scope_executor) };
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let spawned: ConcurrentQueue<FallibleTask<T>> = ConcurrentQueue::unbounded();
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// shadow the variable so that the owned value cannot be used for the rest of the function
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// SAFETY: As above, all futures must complete in this function so we can change the lifetime
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let spawned: &'env ConcurrentQueue<
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FallibleTask<Result<T, Box<(dyn std::any::Any + Send)>>>,
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> = unsafe { mem::transmute(&spawned) };
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@ -373,6 +377,7 @@ impl TaskPool {
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};
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// shadow the variable so that the owned value cannot be used for the rest of the function
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// SAFETY: As above, all futures must complete in this function so we can change the lifetime
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let scope: &'env Scope<'_, 'env, T> = unsafe { mem::transmute(&scope) };
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f(scope);
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@ -1,5 +1,4 @@
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#![warn(missing_docs)]
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#![warn(clippy::undocumented_unsafe_blocks)]
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#![doc = include_str!("../README.md")]
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pub mod commands;
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@ -1309,6 +1309,7 @@ pub struct GridPlacement {
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impl GridPlacement {
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pub const DEFAULT: Self = Self {
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start: None,
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// SAFETY: This is trivially safe as 1 is non-zero.
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span: Some(unsafe { NonZeroU16::new_unchecked(1) }),
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end: None,
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};
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@ -4,7 +4,6 @@
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//!
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#![warn(missing_docs)]
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#![warn(clippy::undocumented_unsafe_blocks)]
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#[allow(missing_docs)]
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pub mod prelude {
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@ -34,6 +34,7 @@ impl RawHandleWrapper {
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// A recommendation for this pattern (and more context) is available here:
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// https://github.com/rust-windowing/raw-window-handle/issues/59
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unsafe impl Send for RawHandleWrapper {}
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// SAFETY: This is safe for the same reasons as the Send impl above.
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unsafe impl Sync for RawHandleWrapper {}
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/// A [`RawHandleWrapper`] that cannot be sent across threads.
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