diff -r 164ca6938d09 -r 81e89e2b90d1 src/lemon/concept/path.h
--- a/src/lemon/concept/path.h	Thu Mar 31 13:29:05 2005 +0000
+++ b/src/lemon/concept/path.h	Thu Mar 31 13:30:27 2005 +0000
@@ -57,7 +57,7 @@
       Path(const Graph &_G) {}
 
       /// Length of the path.
-      size_t length() const {return 0;}
+      int length() const {return 0;}
       /// Returns whether the path is empty.
       bool empty() const { return true;}