1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <memory> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// unique_ptr 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The deleter is not called if get() == 0 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantclass Deleter 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int state_; 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant Deleter(Deleter&); 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant Deleter& operator=(Deleter&); 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantpublic: 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant Deleter() : state_(0) {} 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int state() const {return state_;} 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant void operator()(void*) {++state_;} 32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant Deleter d; 37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(d.state() == 0); 38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant { 39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::unique_ptr<int[], Deleter&> p(0, d); 40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p.get() == 0); 41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(&p.get_deleter() == &d); 42c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant } 43c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(d.state() == 0); 44c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 45