89         while i != location.tail {  in too_old()
101         let mut i = location.tail.wrapping_sub(1);  in too_old()
206                 self.filled.tail = sequence_number.wrapping_add(1);  in push()
212                 self.filled.tail = sequence_number.wrapping_add(1);  in push()
234         if self.filled.compare(self.active.tail) == Comparison::Inside {  in build_sample()
235             self.active.tail = self.filled.tail;  in build_sample()
263                 consume.tail = i.wrapping_add(1);  in build_sample()
269                 consume.tail = i;  in build_sample()
279         if !purging_buffers && self.buffer[consume.tail as usize].is_none() {  in build_sample()
290         for i in consume.tail..self.active.tail {  in build_sample()
320             self.active.head = consume.tail;  in build_sample()
325         self.active.head = consume.tail;  in build_sample()
330         while i != consume.tail {  in build_sample()
359         self.prepared_samples[self.prepared.tail as usize] = Some(sample);  in build_sample()
360         self.prepared.tail = self.prepared.tail.wrapping_add(1);  in build_sample()