|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
#ifndef GENERS_IOISCLASSTYPE_HH_
#define GENERS_IOISCLASSTYPE_HH_
namespace gs {
template <typename T>
class IOIsClassType {
typedef char One;
typedef struct {
char a[2];
} Two;
template <typename C>
static One test(int C::*);
template <typename C>
static Two test(...);
public:
enum { value = sizeof(IOIsClassType<T>::template test<T>(nullptr)) == 1 };
};
} // namespace gs
#endif // GENERS_IOISCLASSTYPE_HH_
|