ToOptionalState::add,
          ToOptionalState::combine,
          ToOptionalState::getOptional,
          Collector.Characteristics.UNORDERED);

  /**
   * A collector that converts a stream of zero or one elements to an {@code Optional}.
   *
   * @throws IllegalArgumentException if the stream consists of two or more elements.
   * @throws NullPointerException if any element in the stream is {@code null}.

	// TODO: check if there are cases that matter where we have
	// more than one len(s) for a slice. We could keep a list if necessary.
	lens map[ID]*Value
	caps map[ID]*Value

	// zero is a zero-valued constant
	zero *Value
}

// checkpointFact is an invalid value used for checkpointing
// and restoring factsTable.
var checkpointFact = fact{}
var checkpointBound = limitFact{}

                    }
                }
            }
        }
        else if ( usage < 0 ) {
            log.error("Usage count dropped below zero " + this);
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }


    protected void checkRelease () {
        if ( isConnected() && this.usageCount.get() != 0 ) {

func ConvertSliceOfMapToValuesForCreate(stmt *gorm.Statement, mapValues []map[string]interface{}) (values clause.Values) {
	columns := make([]string, 0, len(mapValues))

	// when the length of mapValues is zero,return directly here
	// no need to call stmt.SelectAndOmitColumns method
	if len(mapValues) == 0 {
		stmt.AddError(gorm.ErrEmptySlice)
		return
	}

	var (

  /**
   * Returns the <a href="http://en.wikipedia.org/wiki/Variance#Population_variance">population
   * variance</a> of the values. The count must be non-zero.
   *
   * <p>This is guaranteed to return zero if the dataset contains only exactly one finite value. It
   * is not guaranteed to return zero when the dataset consists of the same value multiple times,
   * due to numerical errors. However, it is guaranteed never to return a negative result.
   *

        return 0;
    }


    @Override
    protected int readParametersWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        // observed two zero bytes here with at least win98
        return 2;
    }


    @Override
    protected int readDataWireFormat ( byte[] buffer, int bufferIndex, int len ) throws SMBProtocolDecodingException {

  public Stats yStats() {
    return yStats;
  }

  /**
   * Returns the population covariance of the values. The count must be non-zero.
   *
   * <p>This is guaranteed to return zero if the dataset contains a single pair of finite values. It
   * is not guaranteed to return zero when the dataset consists of the same pair of values multiple
   * times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *

   *
   * @param string the string which should appear at the end of the result
   * @param minLength the minimum length the resulting string must have. Can be zero or negative, in
   *     which case the input string is always returned.
   * @param padChar the character to insert at the beginning of the result until the minimum length
   *     is reached
   * @return the padded string

		ir.OIMAG,
		ir.OCOMPLEX:
		return false

	// Only possible side effect is division by zero.
	case ir.ODIV, ir.OMOD:
		n := n.(*ir.BinaryExpr)
		if n.Y.Op() != ir.OLITERAL || constant.Sign(n.Y.Val()) == 0 {
			return true
		}

	// Only possible side effect is panic on invalid size,
	// but many makechan and makemap use size zero, which is definitely OK.
	case ir.OMAKECHAN, ir.OMAKEMAP:
		n := n.(*ir.MakeExpr)

			)

			if !update || reflectValue.Len() == 0 {
				update = false
				if isArrayKind {
					db.Statement.ReflectValue.Set(reflect.Zero(reflectValue.Type()))
				} else {
					// if the slice cap is externally initialized, the externally initialized slice is directly used here
					if reflectValue.Cap() == 0 {
						db.Statement.ReflectValue.Set(reflect.MakeSlice(reflectValue.Type(), 0, 20))
					} else {