Struct StringWriter 

pub struct StringWriter<W: Write> { /* private fields */ }

A writer that writes to an output implementing std::fmt::Write.

It’s wrapper of a basic writer with extra functionality.

Implementations

impl<W: Write> StringWriter<W>

pub fn new(writer: W) -> Self

pub fn output_byte_counter(&self) -> u64

Returns the number of bytes that have been written to the output.

pub fn captured_chars(&self) -> Vec<char>

Returns a copy of the bytes that have been written to the output.

pub fn last_byte(&self) -> Option<char>

Returns the last byte that was written to the output.

Trait Implementations

impl<W: Write> Writer for StringWriter<W>

fn write_byte(&mut self, byte: u8) -> Result<(), Error>

It writes one byte to the output.

fn write_str(&mut self, value: &str) -> Result<(), Error>

It writes a string to the output.

fn output_byte_counter(&self) -> u64

It return the number of bytes that have been written to the output.

fn captured_bytes(&self) -> Vec<u8>

It returns a copy of the latest bytes that have been written to the output.