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family id atomic generator

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BlackMATov
2021-07-05 02:24:40 +07:00
parent 61b03b74c4
commit 548a2c680a
1 changed files with 5 additions and 4 deletions
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9
headers/meta.hpp/meta_fwd.hpp
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@@ -8,6 +8,7 @@
#include <any> #include <any>
#include <array> #include <array>
#include <atomic>
#include <cassert> #include <cassert>
#include <cstddef> #include <cstddef>
#include <cstdint> #include <cstdint>
@@ -60,9 +61,12 @@ namespace meta_hpp
std::is_void_v<Void>, std::is_void_v<Void>,
"unexpected internal error"); "unexpected internal error");
protected: protected:
static family_id::underlying_type last_id_; static std::atomic<family_id::underlying_type> last_id_;
}; };
template < typename Void >
std::atomic<family_id::underlying_type> family_base<Void>::last_id_{};
template < typename T > template < typename T >
class type_family final : public family_base<> { class type_family final : public family_base<> {
public: public:
@@ -82,9 +86,6 @@ namespace meta_hpp
return self_id; return self_id;
} }
}; };
template < typename Void >
family_id::underlying_type family_base<Void>::last_id_{};
} }
template < typename T > template < typename T >