1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03, c++11 11 12 // <experimental/any> 13 14 // void swap(any &, any &) noexcept 15 16 // swap(...) just wraps any::swap(...). That function is tested elsewhere. 17 18 #include <experimental/any> 19 #include <cassert> 20 21 using std::experimental::any; 22 using std::experimental::any_cast; 23 24 int main() 25 { 26 27 { // test noexcept 28 any a; 29 static_assert(noexcept(swap(a, a)), "swap(any&, any&) must be noexcept"); 30 } 31 { 32 any a1(1); 33 any a2(2); 34 35 swap(a1, a2); 36 37 assert(any_cast<int>(a1) == 2); 38 assert(any_cast<int>(a2) == 1); 39 } 40 } 41
