42   int           length_;  variable
48   StringPiece() : ptr_(NULL), length_(0) { }  in StringPiece()
50     : ptr_(str), length_((str == NULL) ? 0 : static_cast<int>(strlen(str))) { }  in StringPiece()
52     : ptr_(str.data()), length_(static_cast<int>(str.size())) { }  in StringPiece()
53   StringPiece(const char* offset, int len) : ptr_(offset), length_(len) { }  in StringPiece()
60   int size() const { return length_; }  in size()
61   int length() const { return length_; }  in length()
62   bool empty() const { return length_ == 0; }  in empty()
66     length_ = 0;  in clear()
70     length_ = len;  in set()
75       length_ = static_cast<int>(strlen(str));  in set()
77       length_ = 0;  in set()
81     length_ = len;  in set()
88     length_ -= n;  in remove_prefix()
92     length_ -= n;  in remove_suffix()
114     return ((length_ >= x.length_) &&  in starts_with()
115             (memcmp(ptr_, x.ptr_, x.length_) == 0));  in starts_with()
120     return ((length_ >= x.length_) &&  in ends_with()
121             (memcmp(ptr_ + (length_-x.length_), x.ptr_, x.length_) == 0));  in ends_with()
137   iterator end() const { return ptr_ + length_; }  in end()
139     return const_reverse_iterator(ptr_ + length_);  in rbegin()
145   int max_size() const { return length_; }  in max_size()
146   int capacity() const { return length_; }  in capacity()