llvm-project/libcxx/test/algorithms/alg.modifying.operations/alg.swap/iter_swap.pass.cpp

28 lines
674 B
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.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<Iterator Iter1, Iterator Iter2>
// requires HasSwap<Iter1::reference, Iter2::reference>
// void
// iter_swap(Iter1 a, Iter2 b);
#include <algorithm>
#include <cassert>
int main()
{
int i = 1;
int j = 2;
std::iter_swap(&i, &j);
assert(i == 2);
assert(j == 1);
}