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PositionReader

Struct PositionReader 

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pub struct PositionReader<R: PositionRead> { /* private fields */ }
Expand description

PositionReader implements oio::Read based on PositionRead.

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impl<R: PositionRead> PositionReader<R>

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pub fn new(inner: R) -> Self

Create a new PositionReader.

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pub fn with_max_buf_size(self, buf_size: usize) -> Self

Set the maximum buffer size used by PositionReader.

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pub fn into_inner(self) -> R

Consume the reader and return the inner PositionRead.

§Panics

Panics if there are active streams that still share the inner reader.

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impl<R: PositionRead> Read for PositionReader<R>

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async fn open( &self, range: BytesRange, ) -> Result<(RpRead, Box<dyn ReadStreamDyn>)>

Open a range stream for the given range.
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async fn read(&self, range: BytesRange) -> Result<(RpRead, Buffer)>

Read an exact bounded range into Buffer.

Auto Trait Implementations§

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impl<R> Freeze for PositionReader<R>

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impl<R> RefUnwindSafe for PositionReader<R>
where R: RefUnwindSafe,

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impl<R> Send for PositionReader<R>

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impl<R> Sync for PositionReader<R>

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impl<R> Unpin for PositionReader<R>

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impl<R> UnsafeUnpin for PositionReader<R>

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impl<R> UnwindSafe for PositionReader<R>
where R: RefUnwindSafe,

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, 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> ReadDyn for T
where T: Read + ?Sized,

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fn open_dyn( &self, range: BytesRange, ) -> Pin<Box<dyn Future<Output = Result<(RpRead, Box<dyn ReadStreamDyn>), Error>> + Send + '_>>

The dyn version of Read::open.
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fn read_dyn( &self, range: BytesRange, ) -> Pin<Box<dyn Future<Output = Result<(RpRead, Buffer), Error>> + Send + '_>>

The dyn version of Read::read.
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impl<T> Same for T

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type Output = T

Should always be Self
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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> MaybeSend for T
where T: Send,

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impl<T> MaybeSend for T
where T: Send,