returns the number of rows in the packedintvector . this number will change as rows are inserted and deleted . concode_field_sep int mRows concode_elem_sep int mColumns concode_elem_sep int mRowGapLength concode_elem_sep int mRowGapStart concode_elem_sep int[] mValueGap concode_elem_sep int[] mValues concode_field_sep int getValue concode_elem_sep void deleteAt concode_elem_sep void setValue concode_elem_sep void insertAt concode_elem_sep int width concode_elem_sep void moveRowGapTo concode_elem_sep void setValueInternal concode_elem_sep void moveValueGapTo concode_elem_sep void growBuffer concode_elem_sep void adjustValuesBelow
int function ( ) { return mRows - mRowGapLength ; }