...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::random::traits::is_signed — Traits class that indicates whether type T is a signed integer.
// In header: <boost/random/traits.hpp> template<typename T> struct is_signed : public mpl::bool_< boost::is_signed< T >::value||(std::numeric_limits< T >::is_specialized &&std::numeric_limits< T >::is_integer &&std::numeric_limits< T >::is_signed)> { };