pub trait QIO {
// Required methods
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
fn write(&mut self, buf: &[u8]) -> Result<usize>;
}pub trait QIO {
// Required methods
fn read(&mut self, buf: &mut [u8]) -> Result<usize>;
fn write(&mut self, buf: &[u8]) -> Result<usize>;
}