25     count: usize,  field
114                 count: 0,  in new()
137         if (b.limit_count > 0 && b.count >= b.limit_count)  in write()
175         b.count += 1;  in write()
208                     let count = ((n1 as usize) << 8) | n2 as usize;  in read()  localVariable
211                     let mut copied = count;  in read()
226                     b.head += count;  in read()
238                     b.count -= 1;  in read()
240                     if copied < count {  in read()
287     pub async fn count(&self) -> usize {  in count()  method
290         b.count  in count()