1.1 --- a/lemon/concepts/digraph.h	Fri Aug 09 11:28:17 2013 +0200
     1.2 +++ b/lemon/concepts/digraph.h	Fri Aug 09 11:29:40 2013 +0200
     1.3 @@ -312,7 +312,9 @@
     1.4  
     1.5          /// Sets the iterator to the first arc of the given digraph.
     1.6          ///
     1.7 -        explicit ArcIt(const Digraph& g) { ::lemon::ignore_unused_variable_warning(g); }
     1.8 +        explicit ArcIt(const Digraph& g) {
     1.9 +          ::lemon::ignore_unused_variable_warning(g);
    1.10 +        }
    1.11          /// Sets the iterator to the given arc.
    1.12  
    1.13          /// Sets the iterator to the given arc of the given digraph.