family.hpp

#ifndef ENTT_CORE_FAMILY_HPP
#define ENTT_CORE_FAMILY_HPP
 
#include "../config/config.h"
#include "fwd.hpp"
 
namespace entt {
 
template<typename...>
class family {
    // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
    inline static ENTT_MAYBE_ATOMIC(id_type) identifier{};
 
public:
    using value_type = id_type;
 
    template<typename... Type>
    // at the time I'm writing, clang crashes during compilation if auto is used instead of family_type
    inline static const value_type value = identifier++;
};
 
} // namespace entt
 
#endif