remove unprotected guards

Author: ibraheemdev

src/guard.rs

@@ -333,65 +333,3 @@ impl Drop for OwnedGuard<'_> {
         unsafe { Thread::free(self.thread.id) };
     }
 }
-
-/// Returns a dummy guard object.
-///
-/// Calling [`protect`](Guard::protect) on an unprotected guard will
-/// load the pointer directly, and [`retire`](Guard::defer_retire) will
-/// reclaim objects immediately.
-///
-/// Unprotected guards are useful when calling guarded functions
-/// on a data structure that has just been created or is about
-/// to be destroyed, because you know that no other thread holds
-/// a reference to it.
-///
-/// # Safety
-///
-/// You must ensure that code used with this guard is sound with
-/// the unprotected behavior described above.
-#[inline]
-pub unsafe fn unprotected() -> UnprotectedGuard {
-    UnprotectedGuard
-}
-
-/// A dummy guard object.
-///
-/// See [`unprotected`] for details.
-#[derive(Clone, Debug)]
-#[non_exhaustive]
-pub struct UnprotectedGuard;
-
-impl Guard for UnprotectedGuard {
-    /// Loads the pointer directly, using the given ordering.
-    #[inline]
-    fn protect<T>(&self, ptr: &AtomicPtr<T>, ordering: Ordering) -> *mut T {
-        ptr.load(ordering)
-    }
-
-    /// Reclaims the pointer immediately.
-    #[inline]
-    unsafe fn defer_retire<T>(&self, ptr: *mut T, reclaim: unsafe fn(*mut T)) {
-        unsafe { reclaim(ptr) }
-    }
-
-    /// This method is a no-op.
-    #[inline]
-    fn refresh(&mut self) {}
-
-    /// This method is a no-op.
-    #[inline]
-    fn flush(&self) {}
-
-    /// Returns a numeric identifier for the current thread.
-    #[inline]
-    fn thread_id(&self) -> usize {
-        Thread::current().id
-    }
-
-    /// Unprotected guards aren't tied to a specific collector, so this always
-    /// returns `true`.
-    #[inline]
-    fn belongs_to(&self, _collector: &Collector) -> bool {
-        true
-    }
-}

src/lib.rs

@@ -13,4 +13,4 @@ pub mod guide;
 pub mod reclaim;
 
 pub use collector::Collector;
-pub use guard::{unprotected, Guard, LocalGuard, OwnedGuard, UnprotectedGuard};
+pub use guard::{Guard, LocalGuard, OwnedGuard};