23 impl ops::Add<usize> for SeqNumber {
26     fn add(self, rhs: usize) -> SeqNumber {  in add()
27         if rhs > i32::MAX as usize {  in add()
34 impl ops::Sub<usize> for SeqNumber {
37     fn sub(self, rhs: usize) -> SeqNumber {  in sub()
38         if rhs > i32::MAX as usize {  in sub()
45 impl ops::AddAssign<usize> for SeqNumber {
46     fn add_assign(&mut self, rhs: usize) {  in add_assign()  argument
52     type Output = usize;
54     fn sub(self, rhs: SeqNumber) -> usize {  in sub()  argument
59         result as usize  in sub()
91         URGENT.end..(length as usize)  in OPTIONS()
112 pub const HEADER_LEN: usize = field::URGENT.end;
143             let header_len = self.header_len() as usize;  in check_len()
287     pub fn segment_len(&self) -> usize {  in segment_len()  argument
289         let mut length = data.len() - self.header_len() as usize;  in segment_len()
362         let header_len = self.header_len() as usize;  in payload()
581         let header_len = self.header_len() as usize;  in payload_mut()
619                 length = *buffer.get(1).ok_or(Error)? as usize;  in parse()
673     pub fn buffer_len(&self) -> usize {  in buffer_len()  argument
756     pub const fn len(self) -> usize {  in len()  argument
884     pub fn header_len(&self) -> usize {  in header_len()  argument
895         let sack_range_len: usize = self  in header_len()
910     pub fn buffer_len(&self) -> usize {  in buffer_len()  argument
974     pub const fn segment_len(&self) -> usize {  in segment_len()  argument