...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards
...one of the most highly regarded and expertly designed C++ library projects in the world.
#include <boost/fusion/functional/adapter/limits.hpp>
The following macros can be defined to change the maximum arity. The value used for these macros must not exceed FUSION_MAX_VECTOR_SIZE. The default is 6.
FUSION_MAX_VECTOR_SIZE