...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT — Indicates absence of support for specifying the bounded types
of a variant
by the elements of a
type sequence.
// In header: <boost/variant/variant_fwd.hpp>
BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT
Defined only if
make_variant_over
and
make_recursive_variant_over
are not supported for some reason on the target compiler.