65         compression: &mut Option<HashMap<String, usize>>,  in pack()  argument
66         compression_off: usize,  in pack()
82     pub fn unpack(&mut self, msg: &[u8], mut off: usize) -> Result<usize> {  in unpack()
90     pub(crate) fn skip(msg: &[u8], off: usize) -> Result<usize> {  in skip()
148         compression: &mut Option<HashMap<String, usize>>,  in pack()  argument
149         compression_off: usize,  in pack()
150     ) -> Result<(Vec<u8>, usize)> {  in pack()  argument
160     pub fn unpack(&mut self, msg: &[u8], off: usize, _length: usize) -> Result<usize> {  in unpack()
179     pub fn fix_len(&mut self, msg: &mut [u8], len_off: usize, pre_len: usize) -> Result<()> {  in fix_len()
243         compression: &mut Option<HashMap<String, usize>>,  in pack()  argument
244         compression_off: usize,  in pack()
247     fn unpack(&mut self, msg: &[u8], off: usize, length: usize) -> Result<usize>;  in unpack()
253     mut off: usize,  in unpack_resource_body()
254     length: usize,  in unpack_resource_body()
255 ) -> Result<(Box<dyn ResourceBody>, usize)> {  in unpack_resource_body()  argument