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, c++14 11 12// <any> 13 14// void swap(any &, any &) noexcept 15 16// swap(...) just wraps any::swap(...). That function is tested elsewhere. 17 18#include <any> 19#include <cassert> 20 21using std::any; 22using std::any_cast; 23 24int 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