Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This is an older version of Boost and was released in 2024. The current version is 1.89.0.
boost::proto::is_domain
// In header: <boost/proto/domain.hpp>
template<typename T>
struct is_domain : mpl::bool_< true-or-false > {
};
A metafunction that returns mpl::true_ if the type
T is the type of a Proto domain;
mpl::false_ otherwise. If T
inherits from proto::domain<>,
is_domain<T> is mpl::true_.