message: ENH: explicitly set NODE_CENTERED to zero
diff: @@ -29,7 +29,7 @@ namespace mint
  */
  enum FieldAssociation
  {
  - NODE_CENTERED, //!< used for fields computed at mesh nodes
  + NODE_CENTERED = 0, //!< used for fields computed at mesh nodes
  CELL_CENTERED, //!< used for fields computed at cell centers
  FACE_CENTERED, //!< used for fields computed at face centers
  EDGE_CENTERED, //!< used for fields computed at edge centers
  