45   Slice(const std::string& s) : data_(s.data()), size_(s.size()) {}  in Slice()
50   Slice(std::string_view sv) : data_(sv.data()), size_(sv.size()) {}  in Slice()
65   size_t size() const { return size_; }  in size()  function
73     assert(n < size());
85     assert(n <= size());  in remove_prefix()
91     assert(n <= size());  in remove_suffix()
162     size_ = s.size();  in PinSlice()
171     size_ = s.size();  in PinSlice()
178     buf_->assign(slice.data(), slice.size());  in PinSelf()
180     size_ = buf_->size();  in PinSelf()
187     size_ = buf_->size();  in PinSelf()
192     assert(n <= size());  in remove_suffix()
196       buf_->erase(size() - n, n);  in remove_suffix()
202     assert(n <= size());  in remove_prefix()
241   return ((x.size() == y.size()) &&
242           (memcmp(x.data(), y.data(), x.size()) == 0));