Keep the unsafe helper change minimal

core/src/util/mod.rs

@@ -16,7 +16,7 @@ pub use id::*;
 pub use math::*;
 pub use refcount::*;
 pub use slot::*;
-pub use trust::*;
+pub(crate) use trust::*;
 pub use typemap::*;
 pub use vec2::*;
 

core/src/util/trust.rs

@@ -1,25 +1,14 @@
-/// Extends a shared reference's lifetime.
+#[allow(clippy::missing_safety_doc)]
-///
-/// # Safety
-/// The pointee must remain alive and shared-borrowed for all of `'a`.
 pub(crate) unsafe fn forget_ref<'a, T>(x: &T) -> &'a T {
     unsafe { std::mem::transmute::<&T, &T>(x) }
 }
 
-/// Extends an exclusive reference's lifetime.
+#[allow(clippy::missing_safety_doc)]
-///
-/// # Safety
-/// The pointee must remain alive and exclusively borrowed for all of `'a`.
 pub(crate) unsafe fn forget_mut<'a, T>(x: &mut T) -> &'a mut T {
     unsafe { std::mem::transmute::<&mut T, &mut T>(x) }
 }
 
-/// Converts a shared reference into an exclusive reference.
+#[allow(clippy::mut_from_ref, clippy::missing_safety_doc)]
-///
-/// # Safety
-/// The caller must have exclusive access to the pointee for the returned
-/// reference's lifetime.
-#[allow(clippy::mut_from_ref)]
 pub(crate) unsafe fn to_mut<T>(x: &T) -> &mut T {
     #[allow(mutable_transmutes)]
     unsafe {