Add binary type support to all binary file formats, as well as an internally represented binary type

include/nlohmann/detail/iterators/internal_iterator.hpp

@@ -18,6 +18,8 @@ template<typename BasicJsonType> struct internal_iterator
     typename BasicJsonType::object_t::iterator object_iterator {};
     /// iterator for JSON arrays
     typename BasicJsonType::array_t::iterator array_iterator {};
+    /// iterator for JSON binary arrays
+    typename BasicJsonType::binary_t::iterator binary_iterator {};
     /// generic iterator for all other types
     primitive_iterator_t primitive_iterator {};
 };