1#ifndef _SIM_STL_PAIR
2#define _SIM_STL_PAIR
3
4#pragma clang system_header
5
6#include "sim_type_traits"
7
8namespace std {
9
10template <class T1, class T2>
11struct pair {
12  T1 first;
13  T2 second;
14
15  pair() : first(), second() {}
16  pair(const T1 &a, const T2 &b) : first(a), second(b) {}
17
18  template<class U1, class U2>
19  pair(const pair<U1, U2> &other) : first(other.first),
20                                      second(other.second) {}
21};
22
23template <typename T1, typename T2>
24pair<typename remove_reference<T1>::type, typename remove_reference<T2>::type>
25make_pair(T1 &&, T2 &&) {
26  return {};
27};
28
29} // namespace std
30
31#endif // _SIM_STL_PAIR
32
33