Added extended AllTrueBitSetVector class

src/amdis/utility/AllTrueBitSetVector.hpp

@@ -5,6 +5,7 @@ namespace AMDiS
   /// \brief Vector-like container of bools returning always true
   class AllTrueBitSetVector
   {
+  public:
     struct const_iterator
     {
       constexpr const_iterator(bool sentinel = false) noexcept : sentinel_(sentinel) {}