ClearSegment       59 src/date.cc        ClearSegment(&dst_[i]);
ClearSegment      233 src/date.cc          ClearSegment(&dst_[i]);
ClearSegment      300 src/date.cc        ClearSegment(after_);
ClearSegment      380 src/date.cc      ClearSegment(result);
ClearSegment      234 src/date.h       inline void ClearSegment(DST* segment);