16     data: Vec<u8>,
23     pub fn new(data: Vec<u8>) -> Self {  in new()
38     pub fn get_mut(&mut self) -> &mut Vec<u8> {  in get_mut()  argument
43     pub fn get_ref(&self) -> &Vec<u8> {  in get_ref()  argument
48     pub fn read_u8(&mut self) -> Result<u8, i32> {  in read_u8()  argument
104     pub fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), i32> {  in read_exact()
160     pub fn write_u8(&mut self, value: u8) -> Result<u8, i32> {  in write_u8()  argument
177         self.data[self.pos] = (value & 0xff) as u8;  in write_u16()
179         self.data[self.pos] = ((value >> 8) & 0xff) as u8;  in write_u16()
192             self.data[self.pos] = ((value >> (i * 8)) & 0xff) as u8;  in write_u32()
206             self.data[self.pos] = ((value >> (i * 8)) & 0xff) as u8;  in write_u64()
219     pub fn write_exact(&mut self, buf: &[u8]) -> Result<(), i32> {  in write_exact()
231     pub fn as_slice(&self) -> &[u8] {  in as_slice()  argument
236     pub fn as_mut_slice(&mut self) -> &mut [u8] {  in as_mut_slice()  argument