59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++98, c++03
|
|
|
|
// <utility>
|
|
|
|
// template <class T1, class T2> struct pair
|
|
|
|
// struct piecewise_construct_t { explicit piecewise_construct_t() = default; };
|
|
// constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
|
|
|
|
#include <utility>
|
|
#include <tuple>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
class A
|
|
{
|
|
int i_;
|
|
char c_;
|
|
public:
|
|
A(int i, char c) : i_(i), c_(c) {}
|
|
int get_i() const {return i_;}
|
|
char get_c() const {return c_;}
|
|
};
|
|
|
|
class B
|
|
{
|
|
double d_;
|
|
unsigned u1_;
|
|
unsigned u2_;
|
|
public:
|
|
B(double d, unsigned u1, unsigned u2) : d_(d), u1_(u1), u2_(u2) {}
|
|
double get_d() const {return d_;}
|
|
unsigned get_u1() const {return u1_;}
|
|
unsigned get_u2() const {return u2_;}
|
|
};
|
|
|
|
int main(int, char**)
|
|
{
|
|
std::pair<A, B> p(std::piecewise_construct,
|
|
std::make_tuple(4, 'a'),
|
|
std::make_tuple(3.5, 6u, 2u));
|
|
assert(p.first.get_i() == 4);
|
|
assert(p.first.get_c() == 'a');
|
|
assert(p.second.get_d() == 3.5);
|
|
assert(p.second.get_u1() == 6u);
|
|
assert(p.second.get_u2() == 2u);
|
|
|
|
return 0;
|
|
}
|