Function read_byte

src/repr/src/row.rs:1274–1278

(data: &mut &[u8])

}

fn read_byte(data: &mut &[u8]) -> u8 {
    let byte = data[0];
    *data = &data[1..];
    byte
}

/// Read `length` bytes from `data` at `offset`, updating the
/// latter. Extend the resulting buffer to an array of `N` bytes by