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#ifndef GENERS_IOISEXTERNAL_HH_
#define GENERS_IOISEXTERNAL_HH_
namespace gs {
template <class T>
struct IOIsExternal {
enum { value = 0 };
};
} // namespace gs
// Use the following macro (outside of any namespace)
// to declare some type as external for I/O purposes
//
#define gs_declare_type_external(T) /**/ \
namespace gs { \
template <> \
struct IOIsExternal<T> { \
enum { value = 1 }; \
}; \
template <> \
struct IOIsExternal<T const> { \
enum { value = 1 }; \
}; \
template <> \
struct IOIsExternal<T volatile> { \
enum { value = 1 }; \
}; \
template <> \
struct IOIsExternal<T const volatile> { \
enum { value = 1 }; \
}; \
}
// Use the following macro (outside of any namespace)
// to declare some template parameterized by one argument
// as external for I/O purposes
//
#define gs_declare_template_external_T(name) /**/ \
namespace gs { \
template <class T> \
struct IOIsExternal<name<T>> { \
enum { value = 1 }; \
}; \
template <class T> \
struct IOIsExternal<const name<T>> { \
enum { value = 1 }; \
}; \
template <class T> \
struct IOIsExternal<volatile name<T>> { \
enum { value = 1 }; \
}; \
template <class T> \
struct IOIsExternal<const volatile name<T>> { \
enum { value = 1 }; \
}; \
}
// Use the following macro (outside of any namespace)
// to declare some template parameterized by two arguments
// as external for I/O purposes
//
#define gs_declare_template_external_TT(name) /**/ \
namespace gs { \
template <class T, class U> \
struct IOIsExternal<name<T, U>> { \
enum { value = 1 }; \
}; \
template <class T, class U> \
struct IOIsExternal<const name<T, U>> { \
enum { value = 1 }; \
}; \
template <class T, class U> \
struct IOIsExternal<volatile name<T, U>> { \
enum { value = 1 }; \
}; \
template <class T, class U> \
struct IOIsExternal<const volatile name<T, U>> { \
enum { value = 1 }; \
}; \
}
#endif // GENERS_IOISEXTERNAL_HH_
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