117   int compare(const Slice& b) const;
130   size_t difference_offset(const Slice& b) const;
247 inline int Slice::compare(const Slice& b) const {  in compare()  argument
248   assert(data_ != nullptr && b.data_ != nullptr);  in compare()
249   const size_t min_len = (size_ < b.size_) ? size_ : b.size_;  in compare()
250   int r = memcmp(data_, b.data_, min_len);  in compare()
252     if (size_ < b.size_)  in compare()
254     else if (size_ > b.size_)  in compare()
260 inline size_t Slice::difference_offset(const Slice& b) const {  in difference_offset()  argument
262   const size_t len = (size_ < b.size_) ? size_ : b.size_;  in difference_offset()
264     if (data_[off] != b.data_[off]) break;  in difference_offset()