main.cpp

  return
    fcol(
      fcppt::algorithm::map<std::vector<RowResult>>(
	fcppt::algorithm::map<std::vector<std::vector<T>>>(
	  fcppt::algorithm::map<std::vector<fcppt::container::grid::pos_ref_range<input_grid const>>>(
	      fcppt::make_int_range<input_size_type>(0,g.size().h()),
	      [&g](input_size_type const y)
	      {
		return
		  fcppt::container::grid::make_pos_ref_crange_start_end<input_grid>(
		      g,
		      fcppt::container::grid::min<input_size_type,2>(input_pos{0u,y}),
		      fcppt::container::grid::sup<input_size_type,2>(input_pos(g.size().w(),y)));
	      }),
	    [](fcppt::container::grid::pos_reference<input_grid const> const &pos)
	    {
	      return pos.value();
	    }),
	frow));