#include <vector>
#include <string>
-#include "data_block.hh"
+#include "data_block_0.hh"
/*!
*\brief Abstract class providing label extraction for some data_block_0 subtypes.
* This class cannot be instantiated.\n
*/
class data_block_0_label_extractor
- : public virtual data_block
+ : public data_block_0
{
-private:
- data_block_0_label_extractor();
+protected:
+ data_block_0_label_extractor(data_block_0 &);
-protected:
+protected:
vector<string> get_labels();
};