Struct GpbWriter 

pub struct GpbWriter { /* private fields */ }

High-performance writer for Protocol Buffers messages.

Implementations

impl GpbWriter

pub fn with_capacity(capacity: usize) -> Self

Create a new writer with specified capacity.

pub fn new() -> Self

Create a new writer with default capacity.

pub fn buffer(&self) -> &GpbBuffer

Get the underlying buffer.

pub fn into_buffer(self) -> GpbBuffer

Take ownership of the buffer.

pub fn as_bytes(&self) -> &[u8]

Get the written data as bytes.

pub fn clear(&mut self)

Clear the writer for reuse.

Trait Implementations

impl Debug for GpbWriter

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for GpbWriter

fn default() -> Self

Returns the “default value” for a type.

impl Write for GpbWriter

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

Writes a buffer into this writer, returning how many bytes were written.

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

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

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers.

fn is_write_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector)

Determines if this Writer has an efficient write_vectored implementation.

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

Attempts to write an entire buffer into this writer.

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬This is a nightly-only experimental API. (write_all_vectored)

Attempts to write multiple buffers into this writer.

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

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

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

where Self: Sized,

Creates a “by reference” adapter for this instance of Write.