1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <algorithm> 10 11 // template<Iterator Iter1, Iterator Iter2> 12 // requires HasSwap<Iter1::reference, Iter2::reference> 13 // void 14 // iter_swap(Iter1 a, Iter2 b); 15 16 #include <algorithm> 17 #include <cassert> 18 19 int main() 20 { 21 int i = 1; 22 int j = 2; 23 std::iter_swap(&i, &j); 24 assert(i == 2); 25 assert(j == 1); 26 } 27