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use crate::{ser::Serializer, Fallible};
use std::io;
pub struct WriteSerializer<W: io::Write> {
inner: W,
pos: usize,
}
impl<W: io::Write> WriteSerializer<W> {
#[inline]
pub fn new(inner: W) -> Self {
Self::with_pos(inner, 0)
}
#[inline]
pub fn with_pos(inner: W, pos: usize) -> Self {
Self { inner, pos }
}
#[inline]
pub fn into_inner(self) -> W {
self.inner
}
}
impl<W: io::Write> Fallible for WriteSerializer<W> {
type Error = io::Error;
}
impl<W: io::Write> Serializer for WriteSerializer<W> {
#[inline]
fn pos(&self) -> usize {
self.pos
}
#[inline]
fn write(&mut self, bytes: &[u8]) -> Result<(), Self::Error> {
self.pos += self.inner.write(bytes)?;
Ok(())
}
}