message: Code review:
  Use constructor initializer list for counter
diff: @@ -384,10 +384,7 @@ class Bitmap_cubical_complex_base {
  using pointer = T*;
  using reference = T&;
  - Top_dimensional_cells_iterator(Bitmap_cubical_complex_base& b) : b(b) {
  - this->counter = std::vector<std::size_t>(b.dimension());
  - // std::fill( this->counter.begin() , this->counter.end() , 0 );
  - }
  + Top_dimensional_cells_iterator(Bitmap_cubical_complex_base& b) : counter(b.dimension()), b(b) {}
  Top_dimensional_cells_iterator operator++() {
  // first find first element of the counter that can be increased:
  @@ -506,9 +503,7 @@ class Bitmap_cubical_complex_base {
  using pointer = T*;
  using reference = T&;
  - Vertices_iterator(Bitmap_cubical_complex_base& b) : b(b) {
  - this->counter = std::vector<std::size_t>(b.dimension());
  - }
  + Vertices_iterator(Bitmap_cubical_complex_base& b) : counter(b.dimension()), b(b) {}
  Vertices_iterator operator++() {
  // first find first element of the counter that can be increased:
  