Struct handy_async::io::PatternWriter

pub struct PatternWriter<W>(_);

A matcher to write patterns into the inner writer W.

This is mainly used to define your own writing patterns. See the example of the WriteInto trait.

Methods

impl<W: Write> PatternWriter<W>

fn new(inner: W) -> Self

Makes new PatternWriter instance.

Trait Implementations

impl<W: Write> Write for PatternWriter<W>

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

Write a buffer into this object, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

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

Attempts to write an entire buffer into this write.

fn write_fmt(&mut self, fmt: Arguments) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered.

fn by_ref(&mut self) -> &mut Self

Creates a "by reference" adaptor for this instance of Write.

impl<W> Matcher for PatternWriter<W>

type Error = Error

The error type that may occur when matching using this matcher.