1.1 --- a/src/lemon/fib_heap.h	Fri Mar 04 15:24:07 2005 +0000
     1.2 +++ b/src/lemon/fib_heap.h	Fri Mar 04 17:08:55 2005 +0000
     1.3 @@ -88,7 +88,8 @@
     1.4        POST_HEAP = -2
     1.5      };
     1.6      
     1.7 -    FibHeap(ItemIntMap &_iimap) : minimum(0), iimap(_iimap), num_items() {} 
     1.8 +    explicit FibHeap(ItemIntMap &_iimap) 
     1.9 +      : minimum(0), iimap(_iimap), num_items() {} 
    1.10      FibHeap(ItemIntMap &_iimap, const Compare &_comp) : minimum(0), 
    1.11        iimap(_iimap), comp(_comp), num_items() {}
    1.12