Struct layered_io::SliceReader

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pub struct SliceReader<'slice> { /* private fields */ }
Expand description

Adapts an &[u8] to implement ReadLayered.

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impl<'slice> SliceReader<'slice>

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pub fn new(slice: &'slice [u8]) -> Self

Construct a new SliceReader which wraps slice.

Trait Implementations§

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impl<'slice> Bufferable for SliceReader<'slice>

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fn abandon(&mut self)

Close the resource and abandon any pending buffered contents or errors.
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fn suggested_buffer_size(&self) -> usize

A suggested size, in bytes, for buffering for performance.
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impl<'slice> Read for SliceReader<'slice>

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fn read(&mut self, buf: &mut [u8]) -> Result<usize>

Pull some bytes from this source into the specified buffer, returning how many bytes were read. Read more
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>

Like read, except that it reads into a slice of buffers. Read more
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fn is_read_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector)
Determines if this Reader has an efficient read_vectored implementation. Read more
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fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>

Read all bytes until EOF in this source, placing them into buf. Read more
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fn read_to_string(&mut self, buf: &mut String) -> Result<usize>

Read all bytes until EOF in this source, appending them to buf. Read more
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fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>

Read the exact number of bytes required to fill buf. Read more
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fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>

🔬This is a nightly-only experimental API. (read_buf)
Pull some bytes from this source into the specified buffer. Read more
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fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>

🔬This is a nightly-only experimental API. (read_buf)
Read the exact number of bytes required to fill cursor. Read more
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fn by_ref(&mut self) -> &mut Selfwhere Self: Sized,

Creates a “by reference” adaptor for this instance of Read. Read more
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fn bytes(self) -> Bytes<Self>where Self: Sized,

Transforms this Read instance to an Iterator over its bytes. Read more
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fn chain<R>(self, next: R) -> Chain<Self, R>where R: Read, Self: Sized,

Creates an adapter which will chain this stream with another. Read more
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fn take(self, limit: u64) -> Take<Self>where Self: Sized,

Creates an adapter which will read at most limit bytes from it. Read more
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impl<'slice> ReadLayered for SliceReader<'slice>

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fn read_with_status(&mut self, buf: &mut [u8]) -> Result<(usize, Status)>

Like Read::read, but also returns a Status.
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fn read_vectored_with_status( &mut self, bufs: &mut [IoSliceMut<'_>] ) -> Result<(usize, Status)>

Like Read::read_vectored, but also returns a Status.
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fn read_exact_using_status(&mut self, buf: &mut [u8]) -> Result<Status>

Like Read::read_exact, but uses read_with_status to avoid performing an extra read at the end.
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fn minimum_buffer_size(&self) -> usize

Some streams require a buffer of at least a certain size.

Auto Trait Implementations§

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impl<'slice> RefUnwindSafe for SliceReader<'slice>

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impl<'slice> Send for SliceReader<'slice>

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impl<'slice> Sync for SliceReader<'slice>

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impl<'slice> Unpin for SliceReader<'slice>

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impl<'slice> UnwindSafe for SliceReader<'slice>

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.