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// <chrono> 11 12// duration 13 14// duration& operator++(); 15 16#include <chrono> 17#include <cassert> 18 19int main() 20{ 21 std::chrono::hours h(3); 22 std::chrono::hours& href = ++h; 23 assert(&href == &h); 24 assert(h.count() == 4); 25} 26