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type_traits.h
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//
// Created by Mr.BelieVe on 2020/6/7.
//
#ifndef MR_BELIEVE_STL_TYPE_TRAITS_H
#define MR_BELIEVE_STL_TYPE_TRAITS_H
//copyed from sakura_stl
struct __true_type {
};
struct __false_type {
};
template<class _Tp>
struct __type_traits {
typedef __true_type this_dummy_member_must_be_first;
typedef __false_type has_trivial_default_constructor;
typedef __false_type has_trivial_copy_constructor;
typedef __false_type has_trivial_assignment_operator;
typedef __false_type has_trivial_destructor;
typedef __false_type is_POD_type;
};
template<>
struct __type_traits<bool> {
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_operator;
typedef __true_type has_trivial_destructor;
typedef __true_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_operator;
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_operator;
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_operator;
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_operator;
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_operator;
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_operator;
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_operator;
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_operator;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<>
struct __type_traits<unsigned long> {
typedef __true_type has_trivial_default_constructor;
typedef __true_type has_trivial_copy_constructor;
typedef __true_type has_trivial_assignment_operator;
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_operator;
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_operator;
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_operator;
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_operator;
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_operator;
typedef __true_type has_trivial_destructor;
typedef __true_type is_POD_type;
};
template<class _Tp>
struct _Is_integer {
typedef __false_type _Integral;
};
template<>
struct _Is_integer<int> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<unsigned int> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<bool> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<char> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<signed char> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<unsigned char> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<short> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<unsigned short> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<long> {
typedef __true_type _Integral;
};
template<>
struct _Is_integer<unsigned long> {
typedef __true_type _Integral;
};
#endif //MR_BELIEVE_STL_TYPE_TRAITS_H