[−][src]Struct vmap::io::BufReader
The BufReader
adds buffering to any reader using a specialized buffer.
This is very similar std::io::BufReader
, but it uses a
Ring
for the internal buffer, and it provides a
configurable low water mark.
Examples
use vmap::io::BufReader; let sock = TcpStream::connect(srv.local_addr().unwrap())?; let mut buf = BufReader::new(sock, 4000).expect("failed to create buffer"); let mut line = String::new(); let len = buf.read_line(&mut line)?; assert_eq!(line, "hello\n");
Implementations
impl<R: Read> BufReader<R>
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pub fn new(inner: R, capacity: usize) -> Result<Self>
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Creates a new BufReader
.
pub fn lowat(&self) -> usize
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Get the low-water level.
pub fn set_lowat(&mut self, val: usize)
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Set the low-water level.
When the internal buffer content length drops to this level, a subsequent read will request more from the inner reader.
pub fn get_ref(&self) -> &R
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Gets a reference to the underlying reader.
pub fn get_mut(&mut self) -> &mut R
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Gets a mutable reference to the underlying reader.
pub fn buffer(&self) -> &[u8]
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Returns a reference to the internally buffered data.
pub fn into_inner(self) -> R
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Unwraps this BufReader
, returning the underlying reader.
Trait Implementations
impl<R: Read> BufRead for BufReader<R>
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fn fill_buf(&mut self) -> Result<&[u8]>
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fn consume(&mut self, amt: usize)
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fn read_until(&mut self, byte: u8, buf: &mut Vec<u8>) -> Result<usize, Error>
1.0.0[src]
fn read_line(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
fn split(self, byte: u8) -> Split<Self>
1.0.0[src]
fn lines(self) -> Lines<Self>
1.0.0[src]
impl<R: Read> Read for BufReader<R>
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fn read(&mut self, buf: &mut [u8]) -> Result<usize>
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
1.36.0[src]
fn is_read_vectored(&self) -> bool
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unsafe fn initializer(&self) -> Initializer
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fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
1.0.0[src]
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
1.6.0[src]
fn by_ref(&mut self) -> &mut Self
1.0.0[src]
fn bytes(self) -> Bytes<Self>
1.0.0[src]
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
1.0.0[src]
R: Read,
fn take(self, limit: u64) -> Take<Self>
1.0.0[src]
Auto Trait Implementations
impl<R> RefUnwindSafe for BufReader<R> where
R: RefUnwindSafe,
R: RefUnwindSafe,
impl<R> !Send for BufReader<R>
impl<R> !Sync for BufReader<R>
impl<R> Unpin for BufReader<R> where
R: Unpin,
R: Unpin,
impl<R> UnwindSafe for BufReader<R> where
R: UnwindSafe,
R: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,