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SpillRunReader

Struct SpillRunReader 

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pub struct SpillRunReader<T, K> { /* private fields */ }
Expand description

Reader for one spill run file.

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impl<T, K> SpillRunReader<T, K>

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pub fn open<DK, DR>( path: PathBuf, decode_key: DK, decode_row: DR, ) -> Result<Self>
where DK: Fn(&[u8]) -> Result<K> + 'static, DR: Fn(u64, &[u8]) -> Result<T> + 'static,

Open a spill run and configure decoders for key and row payloads.

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pub fn next_entry(&mut self) -> Result<Option<SpillEntry<T, K>>>

Read the next spill entry, or None at end of run.

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impl<T, K> Drop for SpillRunReader<T, K>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

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impl<T, K> !RefUnwindSafe for SpillRunReader<T, K>

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impl<T, K> !Send for SpillRunReader<T, K>

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impl<T, K> !Sync for SpillRunReader<T, K>

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impl<T, K> !UnwindSafe for SpillRunReader<T, K>

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impl<T, K> Freeze for SpillRunReader<T, K>

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impl<T, K> Unpin for SpillRunReader<T, K>

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impl<T, K> UnsafeUnpin for SpillRunReader<T, K>

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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<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, 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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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