1.1 --- a/lemon/dfs.h Wed Jan 11 13:58:30 2012 +0100 1.2 +++ b/lemon/dfs.h Fri Jan 20 19:16:43 2012 +0100 1.3 @@ -1191,6 +1191,7 @@ 1.4 visitor.backtrack(arc); 1.5 } 1.6 _Visitor& visitor; 1.7 + Constraints() {} 1.8 }; 1.9 }; 1.10 #endif