1use std::io::{Read, Write};
2
3pub trait Decode: Sized {
4 type Err;
5
6 fn from_reader<R: Read>(reader: &mut R) -> Result<Self, Self::Err>;
7}
8
9pub trait Encode {
10 type Err;
11
12 fn write_to<W: Write>(&self, writer: &mut W) -> Result<(), Self::Err>;
13}