| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <utility> |
| #include <string> |
| #include <complex> |
| |
| #include <cassert> |
| |
| int main() |
| { |
| #if _LIBCPP_STD_VER > 11 |
| typedef std::complex<float> cf; |
| { |
| auto t1 = std::make_pair<int, cf> ( 42, { 1,2 } ); |
| assert ( std::get<int>(t1) == 42 ); |
| assert ( std::get<cf>(t1).real() == 1 ); |
| assert ( std::get<cf>(t1).imag() == 2 ); |
| } |
| |
| { |
| const std::pair<int, const int> p1 { 1, 2 }; |
| const int &i1 = std::get<int>(p1); |
| const int &i2 = std::get<const int>(p1); |
| assert ( i1 == 1 ); |
| assert ( i2 == 2 ); |
| } |
| |
| { |
| typedef std::unique_ptr<int> upint; |
| std::pair<upint, int> t(upint(new int(4)), 42); |
| upint p = std::get<0>(std::move(t)); // get rvalue |
| assert(*p == 4); |
| assert(std::get<0>(t) == nullptr); // has been moved from |
| } |
| |
| #endif |
| } |