pub trait WriteKVExt: Write {
// Required methods
fn write_key(&mut self, key: &[u8]) -> Result<usize>;
fn write_value(&mut self, key: &[u8]) -> Result<usize>;
}pub trait WriteKVExt: Write {
// Required methods
fn write_key(&mut self, key: &[u8]) -> Result<usize>;
fn write_value(&mut self, key: &[u8]) -> Result<usize>;
}