message: ENH: add isStructured()/isUnstructured() methods
  Add isStructured()/isUnstructured() convenience methods.
diff: @@ -561,6 +561,24 @@ public:
  inline bool hasMixedCellTypes() const
  { return m_has_mixed_topology; }
  + /*!
  + * \brief Returns true if the mesh type is structured.
  + * \return status true if the mesh type is structured, else, false.
  + */
  + inline bool isStructured() const
  + {
  + return ( (m_type==STRUCTURED_CURVILINEAR_MESH) ||
  + (m_type==STRUCTURED_RECTILINEAR_MESH) ||
  + (m_type==STRUCTURED_UNIFORM_MESH) );
  + }
  +
  + /*!
  + * \brief Returns true if the mesh type is unstructured.
  + * \return status true if the mesh type is unstructured, else, false.
  + */
  + inline bool isUnstructured() const
  + { return ( m_type==UNSTRUCTURED_MESH); }
  +
  /*!
  * \brief Checks if this Mesh instance is associated with a Sidre Group.
  * \return status true if the Mesh is associated with a group in a Sidre
  