77             pub fn $read(&self, offset: u32) -> $T
79                 self.read_pod::<{ mem::size_of::<$T>() }, $T>(offset)
88             pub fn $write(&mut self, offset: u32, val: $T)
90                 self.write_pod::<{ mem::size_of::<$T>() }, $T>(offset, val);
130     fn read_pod<const N: usize, T>(&self, offset: u32) -> T  in read_pod()
135         let offset = usize::try_from(offset).unwrap();  in read_pod()  localVariable
136         let end = offset.checked_add(N).unwrap();  in read_pod()
137         let bytes = self.data.get(offset..end).expect("out of bounds field");  in read_pod()
148     fn write_pod<const N: usize, T>(&mut self, offset: u32, val: T)  in write_pod()
153         let offset = usize::try_from(offset).unwrap();  in write_pod()  localVariable
154         let end = offset.checked_add(N).unwrap();  in write_pod()
155         let into = match self.data.get_mut(offset..end) {  in write_pod()
172     pub fn slice(&self, offset: u32, len: u32) -> &[u8] {  in slice()
173         let start = usize::try_from(offset).unwrap();  in slice()
186     pub fn slice_mut(&mut self, offset: u32, len: u32) -> &mut [u8] {  in slice_mut()
187         let start = usize::try_from(offset).unwrap();  in slice_mut()
200     pub fn copy_from_slice(&mut self, offset: u32, src: &[u8]) {  in copy_from_slice()
201         let offset = usize::try_from(offset).unwrap();  in copy_from_slice()  localVariable
202         let end = offset.checked_add(src.len()).unwrap();  in copy_from_slice()
203         let into = self.data.get_mut(offset..end).expect("out of bounds copy");  in copy_from_slice()