36     ready: Range<usize>,  field
45         ready: 0..0,  in new_canonical()
55         ready: 0..0,  in new_compatible()
67             self.ready.end = self.buffer.len();  in push_back()
77         self.buffer[self.ready.end..].sort_by_key(|k| k.0);  in sort_pending()
84         let pending = self.buffer.len() - self.ready.end;  in reset_buffer()
86             self.buffer[i] = self.buffer[i + self.ready.end];  in reset_buffer()
89         self.ready = 0..0;  in reset_buffer()
94         let next = self.ready.start + 1;  in increment_next_ready()
95         if next == self.ready.end {  in increment_next_ready()
98             self.ready.start = next;  in increment_next_ready()
108         while self.ready.end == 0 {  in next()
121                         self.ready.end = self.buffer.len();  in next()
143         let (_, ch) = self.buffer[self.ready.start];  in next()