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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <utility>
// template <class T1, class T2> struct pair
// pair(const T1& x, const T2& y);
#include <utility>
#include <cassert>
class A
{
int data_;
public:
A(int data) : data_(data) {}
bool operator==(const A& a) const {return data_ == a.data_;}
};
#if _LIBCPP_STD_VER > 11
class AC
{
int data_;
public:
constexpr AC(int data) : data_(data) {}
constexpr bool operator==(const AC& a) const {return data_ == a.data_;}
};
#endif
int main()
{
{
typedef std::pair<float, short*> P;
P p(3.5f, 0);
assert(p.first == 3.5f);
assert(p.second == nullptr);
}
{
typedef std::pair<A, int> P;
P p(1, 2);
assert(p.first == A(1));
assert(p.second == 2);
}
#if _LIBCPP_STD_VER > 11
{
typedef std::pair<float, short*> P;
constexpr P p(3.5f, 0);
static_assert(p.first == 3.5f, "");
static_assert(p.second == nullptr, "");
}
{
typedef std::pair<AC, int> P;
constexpr P p(1, 2);
static_assert(p.first == AC(1), "");
static_assert(p.second == 2, "");
}
#endif
}
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