14     data: Vec<u8>,  field
21     pub fn new(data: Vec<u8>) -> Self {  in new()
22         return Self { data, pos: 0 };  in new()
28             data: Vec::new(),  in zerod()
31         result.data.resize(length, 0);  in zerod()
37         return &mut self.data;  in get_mut()
42         return &self.data;  in get_ref()
47         if self.pos >= self.data.len() {  in read_u8()
51         return Ok(self.data[self.pos - 1]);  in read_u8()
56         if self.pos + 2 > self.data.len() {  in read_u16()
60         res |= (self.data[self.pos] as u16) & 0xff;  in read_u16()
62         res |= ((self.data[self.pos] as u16) & 0xff) << 8;  in read_u16()
70         if self.pos + 4 > self.data.len() {  in read_u32()
75             res |= ((self.data[self.pos] as u32) & 0xff) << (8 * i);  in read_u32()
84         if self.pos + 8 > self.data.len() {  in read_u64()
89             res |= ((self.data[self.pos] as u64) & 0xff) << (8 * i);  in read_u64()
103         if self.pos + buf.len() > self.data.len() {  in read_exact()
106         buf.copy_from_slice(&self.data[self.pos..self.pos + buf.len()]);  in read_exact()
115         if self.pos + size_of_val(buf) > self.data.len() * size_of::<u16>() {  in read_u16_into()
137             SeekFrom::SeekEnd(offset) => self.data.len() as i64 + offset,  in seek()
143         if pos < 0 || pos > self.data.len() as i64 {  in seek()
152         if self.pos >= self.data.len() {  in write_u8()
156         self.data[self.pos] = value;  in write_u8()
164         if self.pos + 2 > self.data.len() {  in write_u16()
168         self.data[self.pos] = (value & 0xff) as u8;  in write_u16()
170         self.data[self.pos] = ((value >> 8) & 0xff) as u8;  in write_u16()
178         if self.pos + 4 > self.data.len() {  in write_u32()
183             self.data[self.pos] = ((value >> (i * 8)) & 0xff) as u8;  in write_u32()
192         if self.pos + 8 > self.data.len() {  in write_u64()
197             self.data[self.pos] = ((value >> (i * 8)) & 0xff) as u8;  in write_u64()
211         if self.pos + buf.len() > self.data.len() {  in write_exact()
215         self.data[self.pos..self.pos + buf.len()].copy_from_slice(buf);  in write_exact()
223         return &self.data[..];  in as_slice()
228         return &mut self.data[..];  in as_mut_slice()
240         return self.data.len();  in len()