32     Range(uint32_t start, uint32_t end) : mStart(start), mEnd(end) {}  in Range()
39     inline bool isValid() const { return mStart != NOWHERE && mEnd != NOWHERE; }  in isValid()
41     inline uint32_t getStart() const { return mStart; }       // inclusive  in getStart()
42     inline void setStart(uint32_t start) { mStart = start; }  // inclusive  in setStart()
47     inline uint32_t getLength() const { return mEnd - mStart; }  in getLength()
49     inline bool isEmpty() const { return mStart == mEnd; }  in isEmpty()
51     inline uint32_t toRangeOffset(uint32_t globalPos) const { return globalPos - mStart; }  in toRangeOffset()
52     inline uint32_t toGlobalOffset(uint32_t rangePos) const { return mStart + rangePos; }  in toGlobalOffset()
56         return std::make_pair(Range(mStart, pos), Range(pos, mEnd));  in split()
60         return mStart <= other.mStart && other.mEnd <= mEnd;  in contains()
69     inline bool contains(uint32_t pos) const { return mStart <= pos && pos < mEnd; }  in contains()
73         return left.isValid() && right.isValid() && left.mStart < right.mEnd &&  in intersects()
74                right.mStart < left.mEnd;  in intersects()
77         return Range(std::max(left.mStart, right.mStart), std::min(left.mEnd, right.mEnd));  in intersection()
83         return Range({std::min(left.mStart, right.mStart), std::max(left.mEnd, right.mEnd)});  in merge()
86     inline bool operator==(const Range& o) const { return mStart == o.mStart && mEnd == o.mEnd; }
90     inline Range operator+(int32_t shift) const { return Range(mStart + shift, mEnd + shift); }
92     inline Range operator-(int32_t shift) const { return Range(mStart - shift, mEnd - shift); }
112     inline RangeIterator begin() const { return RangeIterator(mStart); }  in begin()
116     uint32_t mStart;