Struct raii_counter::Counter [−][src]
Essentially an AtomicUsize that is clonable and whose count is based on the number of copies (and their size). The count is automatically updated on Drop.
If you want a weak reference to the counter that doesn’t affect the count, see:
WeakCounter
.
Implementations
impl Counter
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pub fn builder() -> CounterBuilder
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Create a new default CounterBuilder
.
pub fn downgrade(self) -> WeakCounter
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Consume self (causing the count to decrease by size
)
and return a weak reference to the count through a WeakCounter
.
pub fn spawn_downgrade(&self) -> WeakCounter
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Create a new WeakCounter
without consuming self.
pub fn count(&self) -> usize
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This method is inherently racey. Assume the count will have changed once the value is observed.
Trait Implementations
impl Clone for Counter
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fn clone(&self) -> Self
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for Counter
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impl Display for Counter
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impl Drop for Counter
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Auto Trait Implementations
impl !RefUnwindSafe for Counter
impl Send for Counter
impl !Sync for Counter
impl Unpin for Counter
impl !UnwindSafe for Counter
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,