40 struct MemoryStream {  struct
43 …MemoryStream(const Ch *src, size_t size) : src_(src), begin_(src), end_(src + size), size_(size) {}  in MemoryStream()  argument
45     Ch Peek() const { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_; }  in Peek()
46     Ch Take() { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_++; }  in Take()
47     size_t Tell() const { return static_cast<size_t>(src_ - begin_); }  in Tell()
49     Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }  in PutBegin()
50     void Put(Ch) { RAPIDJSON_ASSERT(false); }  in Put()
51     void Flush() { RAPIDJSON_ASSERT(false); }  in Flush()
52     size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }  in PutEnd()
55     const Ch* Peek4() const {  in Peek4()
59     const Ch* src_;     //!< Current read position.
60     const Ch* begin_;   //!< Original head of the string.
61     const Ch* end_;     //!< End of stream.
62     size_t size_;       //!< Size of the stream.