1.1 --- a/lemon/concept/path.h	Thu Aug 18 12:22:44 2005 +0000
     1.2 +++ b/lemon/concept/path.h	Thu Aug 18 13:33:49 2005 +0000
     1.3 @@ -24,6 +24,7 @@
     1.4  #define LEMON_CONCEPT_PATH_H
     1.5  
     1.6  #include <lemon/invalid.h>
     1.7 +#include <lemon/concept_check.h>
     1.8  
     1.9  namespace lemon {
    1.10    namespace concept {
    1.11 @@ -54,7 +55,9 @@
    1.12  
    1.13        /// \param _g The graph in which the path is.
    1.14        ///
    1.15 -      Path(const Graph &_g) {}
    1.16 +      Path(const Graph &_g) {
    1.17 +	ignore_unused_variable_warning(_g);
    1.18 +      }
    1.19  
    1.20        /// Length of the path.
    1.21        int length() const {return 0;}