//===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// // <chrono> // duration // duration& operator--(); #include <chrono> #include <cassert> int main() { std::chrono::hours h(3); std::chrono::hours& href = --h; assert(&href == &h); assert(h.count() == 2); }