1 files changed, 1 insertions, 0 deletions

diff --git a/include/konforka/pointer_map.h b/include/konforka/pointer_map.h
index d706e71..00dd486 100644
--- a/include/konforka/pointer_map.h
+++ b/include/konforka/pointer_map.h
@@ -1,105 +1,106 @@
 #ifndef __KONFORKA_POINTER_MAP_H
 #define __KONFORKA_POINTER_MAP_H
 
 #include <typeinfo>
 
 /**
  * @file
  * @brief mapping of pointers.
  *
  * The support for global mapping of pointers. Useful when using third-party
  * libraries callbacks when the library does not provide mechanism for passing
  * along custom context-dependent data.
  */
 
 namespace konforka {
+    using std::type_info;
 
     /**
      * @brief internally used actual implementation of mapping pointer.
      *
      * @param tf the typeid of the key pointer.
      * @param pf the key pointer.
      * @param tt the typeid of the value pointer.
      * @param pt the value pointer.
      */
     void _map_pointer(const type_info& tf,void *pf,const type_info& tt,void *pt);
     /**
      * @brief internally used actual implementation of destroying mapped
      * pointer.
      *
      * @param tf the typeid of the key pointer.
      * @param pf the key pointer.
      * @param tt the typeid of the value pointer.
      * @param pt the value pointer.
      */
     void _unmap_pointer(const type_info& tf,void *pf,const type_info& tt,void *pt);
     /**
      * @brief internally used actual implementation of retrieving mapped
      * pointer.
      *
      * @param tf the typeid of the key pointer.
      * @param pf the key pointer.
      * @param tt the typeid of the value pointer.
      * @return the value.
      */
     void *_mapped_pointer(const type_info& tf,void *pf,const type_info& tt);
 
     /**
      * @brief the object, maintaining mapped pointer.
      * 
      * @param from_t the key type.
      * @param to_t the value type.
      */
     template<typename from_t,typename to_t>
         class map_pointer {
             public:
                 /**
                  * stored key.
                  */
                 from_t _from;
                 /**
                  * stored value.
                  */
                 to_t _to;
                 /**
                  * flag, specifying that the object is currently mapped.
                  */
                 bool bmapped;
 
                 /**
                  * @brief constructs the object, mapping the key/value pair.
                  * 
                  * @param f the key.
                  * @param t the value.
                  */
                 map_pointer(from_t f,to_t t)
                     : _from(f), _to(t), bmapped(false) {
                         _map_pointer(typeid(from_t),_from,typeid(to_t),_to);
                         bmapped=true;
                     }
                 /**
                  * @brief destructor unmaps the key/value pair stored.
                  */
                 ~map_pointer() {
                     if(bmapped)
                         _unmap_pointer(typeid(from_t),_from,typeid(to_t),_to);
                 }
         };
 
     /**
      * The template function for pointer retrieval.
      *
      * @param from_t the key type.
      * @param to_t the value type.
      * @param f the key.
      * @return the value.
      */
     template<typename from_t,typename to_t>
         to_t mapped_pointer(from_t f) {
             return (to_t)_mapped_pointer(typeid(from_t),f,typeid(to_t));
         }
 
 }
 
 #endif /* __KONFORKA_POINTER_MAP_H */
 /* vim:set ft=cpp: */