diff --git a/include/boost/concept_archetype.hpp b/include/boost/concept_archetype.hpp index ed550be..a9d1808 100644 --- a/include/boost/concept_archetype.hpp +++ b/include/boost/concept_archetype.hpp @@ -15,6 +15,7 @@ #define BOOST_CONCEPT_ARCHETYPES_HPP #include +#include #include #include // iterator tags #include // std::ptrdiff_t