Struct CountWriter 

pub struct CountWriter { /* private fields */ }

A BufWriter that only counts the bytes.

Implementations

impl CountWriter

pub fn finish(self) -> usize

Consumes the counter and returns the final count.

Trait Implementations

impl BufWriter for CountWriter

fn put_slice(&mut self, slice: &[u8])

Writes the slice to the buffer.

fn put_u8(&mut self, val: u8)

Writes a u8 to the buffer in little-endian (LE) encoding.

fn put_u16(&mut self, val: u16)

Writes a u16 to the buffer in little-endian (LE) encoding.

fn put_u32(&mut self, val: u32)

Writes a u32 to the buffer in little-endian (LE) encoding.

fn put_u64(&mut self, val: u64)

Writes a u64 to the buffer in little-endian (LE) encoding.

fn put_u128(&mut self, val: u128)

Writes a u128 to the buffer in little-endian (LE) encoding.

fn put_u256(&mut self, val: U256)

Writes a u256 to the buffer in little-endian (LE) encoding.

fn put_i8(&mut self, val: i8)

Writes an i8 to the buffer in little-endian (LE) encoding.

fn put_i16(&mut self, val: i16)

Writes an i16 to the buffer in little-endian (LE) encoding.

fn put_i32(&mut self, val: i32)

Writes an i32 to the buffer in little-endian (LE) encoding.

fn put_i64(&mut self, val: i64)

Writes an i64 to the buffer in little-endian (LE) encoding.

fn put_i128(&mut self, val: i128)

Writes an i128 to the buffer in little-endian (LE) encoding.

fn put_i256(&mut self, val: I256)

Writes an i256 to the buffer in little-endian (LE) encoding.

impl Default for CountWriter

fn default() -> CountWriter

Returns the “default value” for a type.