NDN-CCL

The is* methods are needed in many cases in order to avoid awkward checks that rely on exceptions:

  /**
   * @brief Check if the component is nonNegativeInteger
   * @see http://named-data.net/doc/ndn-tlv/tlv.html#non-negative-integer-encoding
   */
  bool
  isNumber() const;

  /**
   * @brief Check if the component is NameComponentWithMarker per NDN naming conventions
   * @see http://named-data.net/doc/tech-memos/naming-conventions.pdf
   */
  bool
  isNumberWithMarker(uint8_t marker) const;

  /**
   * @brief Check if the component is version per NDN naming conventions
   * @see http://named-data.net/doc/tech-memos/naming-conventions.pdf
   */
  bool
  isVersion() const;

  /**
   * @brief Check if the component is segment number per NDN naming conventions
   * @see http://named-data.net/doc/tech-memos/naming-conventions.pdf
   */
  bool
  isSegment() const;

  /**
   * @brief Check if the component is segment offset per NDN naming conventions
   * @see http://named-data.net/doc/tech-memos/naming-conventions.pdf
   */
  bool
  isSegmentOffset() const;

  /**
   * @brief Check if the component is timestamp per NDN naming conventions
   * @see http://named-data.net/doc/tech-memos/naming-conventions.pdf
   */
  bool
  isTimestamp() const;

  /**
   * @brief Check if the component is sequence number per NDN naming conventions
   * @see http://named-data.net/doc/tech-memos/naming-conventions.pdf
   */
  bool
  isSequenceNumber() const;

  /**
   * @brief Check if the component is GenericComponent
   */
  bool
  isGeneric() const;

  /**
   * @brief Check if the component is ImplicitSha256DigestComponent
   */
  bool
  isImplicitSha256Digest() const;