1.1 --- a/lemon/iterable_maps.h	Thu Sep 07 13:35:48 2006 +0000
     1.2 +++ b/lemon/iterable_maps.h	Thu Sep 07 14:04:31 2006 +0000
     1.3 @@ -16,6 +16,9 @@
     1.4   *
     1.5   */
     1.6  
     1.7 +#ifndef LEMON_ITERABLE_MAPS_H
     1.8 +#define LEMON_ITERABLE_MAPS_H
     1.9 +
    1.10  #include <lemon/bits/traits.h>
    1.11  #include <lemon/bits/invalid.h>
    1.12  
    1.13 @@ -916,3 +919,5 @@
    1.14  
    1.15    /// @}
    1.16  }
    1.17 +
    1.18 +#endif