Struct std::io::BufWriterUnstable
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pub struct BufWriter<W> {
// some fields omitted
}Wraps a Writer and buffers output to it
It can be excessively inefficient to work directly with a Write. For
example, every call to write on TcpStream results in a system call. A
BufWriter keeps an in memory buffer of data and writes it to the
underlying Write in large, infrequent batches.
This writer will be flushed when it is dropped.
Methods
impl<W: Write> BufWriter<W>
fn new(inner: W) -> BufWriter<W>
Creates a new BufWriter with a default buffer capacity
fn with_capacity(cap: usize, inner: W) -> BufWriter<W>
Creates a new BufWriter with the specified buffer capacity
fn get_ref(&self) -> &W
Gets a reference to the underlying writer.
fn get_mut(&mut self) -> &mut W
Gets a mutable reference to the underlying write.
Warning
It is inadvisable to directly read from the underlying writer.
fn into_inner(self) -> Result<W, IntoInnerError<BufWriter<W>>>
Unwraps this BufWriter, returning the underlying writer.
The buffer is flushed before returning the writer.