message: Removed some useless features from the concept
diff: @@ -34,8 +34,8 @@ namespace witness_complex {
  struct SimplicialComplexForWitness {
  /** Handle to specify a simplex. */
  typedef unspecified Simplex_handle;
  - /** Handle to specify a vertex. Must be a non-negative integer. */
  - typedef unspecified Vertex_handle;
  + // /** Handle to specify a vertex. Must be a non-negative integer. */
  + // typedef unspecified Vertex_handle;
  /** \brief Returns a Simplex_hanlde that is different from all simplex handles
  * of the simplices. */
  @@ -45,26 +45,26 @@ struct SimplicialComplexForWitness {
  */
  std::size_t num_vertices();
  - /** \brief Iterator over the simplices of the complex,
  - * in an arbitrary order.
  - *
  - * 'value_type' must be 'Simplex_handle'.*/
  - typedef unspecified Complex_simplex_range;
  -
  - /**
  - * \brief Returns a range over all the simplices of a
  - * complex.
  - */
  - Complex_simplex_range complex_simplex_range();
  -
  - /** \brief Iterator over vertices of a simplex.
  - *
  - * 'value type' must be 'Vertex_handle'.*/
  - typedef unspecified Simplex_vertex_range;
  -
  - /** \brief Returns a range over vertices of a given
  - * simplex. */
  - Simplex_vertex_range simplex_vertex_range(Simplex_handle const & simplex);
  + // /** \brief Iterator over the simplices of the complex,
  + // * in an arbitrary order.
  + // *
  + // * 'value_type' must be 'Simplex_handle'.*/
  + // typedef unspecified Complex_simplex_range;
  +
  + // /**
  + // * \brief Returns a range over all the simplices of a
  + // * complex.
  + // */
  + // Complex_simplex_range complex_simplex_range();
  +
  + // /** \brief Iterator over vertices of a simplex.
  + // *
  + // * 'value type' must be 'Vertex_handle'.*/
  + // typedef unspecified Simplex_vertex_range;
  +
  + // /** \brief Returns a range over vertices of a given
  + // * simplex. */
  + // Simplex_vertex_range simplex_vertex_range(Simplex_handle const & simplex);
  /** \brief Return type of an insertion of a simplex
  */
  