Struct Writer 

pub struct Writer { /* private fields */ }

Writer for encoding binary data.

Implementations

impl Writer

pub fn new() -> Self

Creates a new writer.

pub fn with_capacity(capacity: usize) -> Self

Creates a new writer with capacity.

pub fn into_bytes(self) -> Vec<u8>

Returns the written bytes.

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

Returns a reference to the written bytes.

pub fn len(&self) -> usize

Returns the number of bytes written.

pub fn is_empty(&self) -> bool

Returns true if no bytes have been written.

pub fn write_byte(&mut self, byte: u8)

Writes a single byte.

pub fn write_bytes(&mut self, bytes: &[u8])

Writes raw bytes.

pub fn write_id(&mut self, id: &Id)

Writes a 16-byte UUID.

pub fn write_varint(&mut self, value: u64)

Writes an unsigned varint (LEB128).

pub fn write_signed_varint(&mut self, value: i64)

Writes a signed varint (zigzag encoded).

pub fn write_string(&mut self, s: &str)

Writes a length-prefixed UTF-8 string.

pub fn write_bytes_prefixed(&mut self, bytes: &[u8])

Writes a length-prefixed byte array.

pub fn write_f64(&mut self, value: f64)

Writes a little-endian f64.

pub fn write_id_vec(&mut self, ids: &[Id])

Writes a vector of IDs with length prefix.

Trait Implementations

impl Clone for Writer

fn clone(&self) -> Writer

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Writer

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

Formats the value using the given formatter.

impl Default for Writer

fn default() -> Writer

Returns the “default value” for a type.