forked from OSchip/llvm-project
76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <tuple>
|
|
|
|
// template <class... Types> class tuple;
|
|
|
|
// template <class... UTypes>
|
|
// tuple& operator=(const tuple<UTypes...>& u);
|
|
|
|
#include <tuple>
|
|
#include <string>
|
|
#include <cassert>
|
|
|
|
struct B
|
|
{
|
|
int id_;
|
|
|
|
explicit B(int i = 0) : id_(i) {}
|
|
};
|
|
|
|
struct D
|
|
: B
|
|
{
|
|
explicit D(int i = 0) : B(i) {}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::tuple<double> T0;
|
|
typedef std::tuple<int> T1;
|
|
T0 t0(2.5);
|
|
T1 t1;
|
|
t1 = t0;
|
|
assert(std::get<0>(t1) == 2);
|
|
}
|
|
{
|
|
typedef std::tuple<double, char> T0;
|
|
typedef std::tuple<int, int> T1;
|
|
T0 t0(2.5, 'a');
|
|
T1 t1;
|
|
t1 = t0;
|
|
assert(std::get<0>(t1) == 2);
|
|
assert(std::get<1>(t1) == int('a'));
|
|
}
|
|
{
|
|
typedef std::tuple<double, char, D> T0;
|
|
typedef std::tuple<int, int, B> T1;
|
|
T0 t0(2.5, 'a', D(3));
|
|
T1 t1;
|
|
t1 = t0;
|
|
assert(std::get<0>(t1) == 2);
|
|
assert(std::get<1>(t1) == int('a'));
|
|
assert(std::get<2>(t1).id_ == 3);
|
|
}
|
|
{
|
|
D d(3);
|
|
D d2(2);
|
|
typedef std::tuple<double, char, D&> T0;
|
|
typedef std::tuple<int, int, B&> T1;
|
|
T0 t0(2.5, 'a', d2);
|
|
T1 t1(1.5, 'b', d);
|
|
t1 = t0;
|
|
assert(std::get<0>(t1) == 2);
|
|
assert(std::get<1>(t1) == int('a'));
|
|
assert(std::get<2>(t1).id_ == 2);
|
|
}
|
|
}
|