Struct light_cache::policy::noop::NoopPolicy

source ·
pub struct NoopPolicy(/* private fields */);
Expand description

A policy that does nothing

While this policy does nothing, we still need to give it a mutex so that it can satisfy the Policy trait It would not be good if a user accidently called prune on a noop policy and got a panic

Implementations§

source§

impl NoopPolicy

source

pub fn new() -> Self

Create a new NoopPolicy

Trait Implementations§

source§

impl Debug for NoopPolicy

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
source§

impl<K, V> Policy<K, V> for NoopPolicy
where K: Eq + Hash + Copy, V: Clone + Sync,

§

type Inner = ()

The inner type of this policy, likely behind a lock
source§

fn lock_inner(&self) -> MutexGuard<'_, ()>

Panics Read more
source§

fn get<S: BuildHasher>( &self, key: &K, cache: &LightCache<K, V, S, Self>, ) -> Option<V>

source§

fn insert<S: BuildHasher>( &self, key: K, value: V, cache: &LightCache<K, V, S, Self>, ) -> Option<V>

source§

fn remove<S: BuildHasher>( &self, key: &K, cache: &LightCache<K, V, S, Self>, ) -> Option<V>

source§

fn lock_and_prune<S: BuildHasher>( &self, cache: &LightCache<K, V, S, Self>, ) -> MutexGuard<'_, Self::Inner>

source§

impl<K, V> Prune<K, V, NoopPolicy> for ()

source§

fn prune<S: BuildHasher>(&mut self, _: &LightCache<K, V, S, NoopPolicy>)

Prune is typically be called before any operation on the cache

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.