Struct ChecksummedWriter 

pub struct ChecksummedWriter { /* private fields */ }

A streaming writer that computes a checksum as it writes.

Implementations

impl ChecksummedWriter

pub fn new() -> Self

Create a new checksummed writer.

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

Write a byte, updating the checksum.

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

Write multiple bytes.

pub fn write_u32(&mut self, v: u32)

Write a u32.

pub fn write_u64(&mut self, v: u64)

Write a u64.

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

Write a string (length-prefixed).

pub fn current_checksum(&self) -> u32

Return the current running checksum.

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

Finish and return the data with appended checksum.

pub fn len(&self) -> usize

Return the number of bytes written (excluding checksum trailer).

pub fn is_empty(&self) -> bool

Returns whether the collection is empty.

Trait Implementations

impl Default for ChecksummedWriter

fn default() -> Self

Returns the “default value” for a type.