pub enum Op<V> {
Nop,
Put(V),
Remove,
}
Expand description
Instructs the and_compute_with
and similar methods how to modify the cached
entry.
Variants§
Nop
No-operation. Do not modify the cached entry.
Put(V)
Insert or update the value of the cached entry.
Remove
Remove the cached entry.
Trait Implementations§
impl<V: Eq> Eq for Op<V>
impl<V> StructuralPartialEq for Op<V>
Auto Trait Implementations§
impl<V> Freeze for Op<V>where
V: Freeze,
impl<V> RefUnwindSafe for Op<V>where
V: RefUnwindSafe,
impl<V> Send for Op<V>where
V: Send,
impl<V> Sync for Op<V>where
V: Sync,
impl<V> Unpin for Op<V>where
V: Unpin,
impl<V> UnwindSafe for Op<V>where
V: UnwindSafe,
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)