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__type_traits.h
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__type_traits.h
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#ifndef __MYTYPE_TRAITS__
#define __MYTYPE_TRAITS__
namespace mySTL{
class __true_type{};
class __false_type{};
//default situation
template<class T>
struct __type_traits{
typedef __false_type has_trivial_default_constructor;
typedef __false_type has_trivial_copy_constructor;
typedef __false_type has_trivial_assignment_constructor;
typedef __false_type has_trivial_destructor;
typedef __false_type is_POD_type;
};
template<>
struct __type_traits<char>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<int>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<short>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<float>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<double>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<long long>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<unsigned int>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<unsigned short>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<unsigned long long>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<unsigned char>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<signed char>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<long>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<long double>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<class T>
struct __type_traits<T*>{
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_constructor;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
}
#endif