1use crate::io::Encode; 2 3#[derive(Debug)] 4pub struct Sync; 5 6impl Encode<'_> for Sync { 7 fn encode_with(&self, buf: &mut Vec<u8>, _: ()) { 8 buf.push(b'S'); 9 buf.extend(&4_i32.to_be_bytes()); 10 } 11}