Use 'nullptr' to initialize pointers.

diff --git a/include/deal.II/dofs/dof_accessor.h b/include/deal.II/dofs/dof_accessor.h
index ee4aa970da0b319c10339d2d48cc8b349385234d..f7fc7e3f3a8f5974b104a34e5b1b76154440878a 100644 (file)
--- a/include/deal.II/dofs/dof_accessor.h
+++ b/include/deal.II/dofs/dof_accessor.h
@@ -1260,10 +1260,10 @@ public:
    * semantic sense, and we generate an exception when such an object is
    * actually generated.
    */
-  DoFInvalidAccessor(const void *        parent     = 0,
+  DoFInvalidAccessor(const void *        parent     = nullptr,
                      const int           level      = -1,
                      const int           index      = -1,
-                     const AccessorData *local_data = 0);
+                     const AccessorData *local_data = nullptr);
 
   /**
    * Copy constructor.  This class is used for iterators that do not make