1 
2 #ifndef BOOST_CONTRACT_DETAIL_AUTO_PTR_HPP_
3 #define BOOST_CONTRACT_DETAIL_AUTO_PTR_HPP_
4 
5 // Copyright (C) 2008-2018 Lorenzo Caminiti
6 // Distributed under the Boost Software License, Version 1.0 (see accompanying
7 // file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
8 // See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
9 
10 #include <boost/contract/detail/operator_safe_bool.hpp>
11 #include <boost/contract/detail/debug.hpp>
12 #include <boost/config.hpp>
13 
14 namespace boost { namespace contract { namespace detail {
15 
16 // Using this instead of std::auto_ptr because std::auto_ptr will be removed in
17 // C++17 (this library always uses release() to avoid ownership issues).
18 template<typename T>
19 class auto_ptr { // Copyable (using default copy operations).
20 public:
auto_ptr(T * ptr=0)21     explicit auto_ptr(T* ptr = 0) : ptr_(ptr) {}
22 
BOOST_NOEXCEPT_IF(false)23     ~auto_ptr() BOOST_NOEXCEPT_IF(false) { delete ptr_; }
24 
release()25     T* release() {
26         T* ptr = ptr_;
27         ptr_ = 0;
28         return ptr;
29     }
30 
operator *()31     T& operator*() {
32         BOOST_CONTRACT_DETAIL_DEBUG(ptr_);
33         return *ptr_;
34     }
35 
operator *() const36     T const& operator*() const {
37         BOOST_CONTRACT_DETAIL_DEBUG(ptr_);
38         return *ptr_;
39     }
40 
operator ->()41     T* operator->() { return ptr_; }
operator ->() const42     T const* operator->() const { return ptr_; }
43 
44     BOOST_CONTRACT_DETAIL_OPERATOR_SAFE_BOOL(auto_ptr<T>, !!ptr_)
45 
46 private:
47     T* ptr_;
48 };
49 
50 } } } // namespace
51 
52 #endif // #include guard
53 
54