docs: public static MutableLongTuple apply(
          LongTuple t0, LongTuple t1, 
          LongBinaryOperator op,
          MutableLongTuple result)
      {
          Utils.checkForEqualSize(t0, t1);
          result = LongTuples.validate(t0, result);
          int n = t0.getSize();
          for (int i=0; i<n; i++)
          {
              long operand0 = t0.get(i);
              long operand1 = t1.get(i);
              long r = op.applyAsLong(operand0, operand1);
              result.set(i, r);
          }
          return result;
      }