NoCache

Struct NoCache 

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pub struct NoCache;
Expand description

No-op cache implementation for when caching is disabled.

All operations are no-ops. This is the default for small files where caching overhead exceeds benefit.

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impl Clone for NoCache

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fn clone(&self) -> NoCache

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for NoCache

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

Formats the value using the given formatter. Read more
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impl Default for NoCache

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fn default() -> NoCache

Returns the “default value” for a type. Read more
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impl ParseCache for NoCache

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fn get(&self, _frame_number: u64) -> Option<Arc<CachedParse>>

Get cached parse result for a frame, if available.
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fn put(&self, _frame_number: u64, _parsed: Arc<CachedParse>)

Store parse result for a frame.
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fn reader_passed(&self, _reader_id: usize, _frame_number: u64)

Hint that a reader has finished with frames up to this number. Read more
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fn register_reader(&self) -> usize

Register a new reader and get its ID.
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fn unregister_reader(&self, _reader_id: usize)

Unregister a reader (e.g., when stream completes).
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fn get_or_insert_with( &self, frame_number: u64, f: Box<dyn FnOnce() -> Arc<CachedParse> + '_>, ) -> (Arc<CachedParse>, bool)

Get cached result or compute and cache it. Returns (result, was_hit).
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fn stats(&self) -> Option<CacheStats>

Get cache statistics (if available).
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fn reset_stats(&self)

Reset statistics counters. Default implementation does nothing.

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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<U> 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more