lemon/bits/path_dump.h
changeset 893 bb871cb8ac06
parent 888 1f2a734581f8
child 890 e26ad33d1fbc
equal deleted inserted replaced
5:a761b7afdde7 6:aca9b1b123cc
   118       }
   118       }
   119       return len;
   119       return len;
   120     }
   120     }
   121 
   121 
   122     bool empty() const {
   122     bool empty() const {
   123       return source != target;
   123       return predMatrixMap(source, target) == INVALID;
   124     }
   124     }
   125 
   125 
   126     class RevArcIt {
   126     class RevArcIt {
   127     public:
   127     public:
   128       RevArcIt() {}
   128       RevArcIt() {}