Enum Op

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pub enum Op<E>where
    E: Eviction,{
    Noop,
    Immutable(Box<dyn Fn(&E, &Arc<Record<E>>) + Send + Sync + 'static>),
    Mutable(Box<dyn FnMut(&mut E, &Arc<Record<E>>) + Send + Sync + 'static>),
}

Expand description

Wrapper for one of the three kind of operations for the eviction container:

no operation
immutable operation
mutable operation

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Noop

no operation

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Immutable(Box<dyn Fn(&E, &Arc<Record<E>>) + Send + Sync + 'static>)

immutable operation

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Mutable(Box<dyn FnMut(&mut E, &Arc<Record<E>>) + Send + Sync + 'static>)

mutable operation

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impl<E> Op<E>
where E: Eviction,

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pub fn noop() -> Self

no operation

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pub fn immutable<F>(f: F) -> Self
where F: Fn(&E, &Arc<Record<E>>) + Send + Sync + 'static,

immutable operation

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pub fn mutable<F>(f: F) -> Self
where F: FnMut(&mut E, &Arc<Record<E>>) + Send + Sync + 'static,

mutable operation

Auto Trait Implementations§

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impl<E> !UnwindSafe for Op<E>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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