...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Provides low-level access to the associated BodyWriter.
writer& writer_impl();
This function provides access to the instance of the writer associated with the body and created by the serializer upon construction. The behavior of accessing this object is defined by the specification of the particular writer and its associated body.
A reference to the writer.