54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
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#ifndef BOOST_CONTRACT_DETAIL_AUTO_PTR_HPP_
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#define BOOST_CONTRACT_DETAIL_AUTO_PTR_HPP_
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// Copyright (C) 2008-2018 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0 (see accompanying
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// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
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// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
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#include <boost/contract/detail/operator_safe_bool.hpp>
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#include <boost/contract/detail/debug.hpp>
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#include <boost/config.hpp>
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namespace boost { namespace contract { namespace detail {
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// Using this instead of std::auto_ptr because std::auto_ptr will be removed in
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// C++17 (this library always uses release() to avoid ownership issues).
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template<typename T>
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class auto_ptr { // Copyable (using default copy operations).
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public:
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explicit auto_ptr(T* ptr = 0) : ptr_(ptr) {}
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~auto_ptr() BOOST_NOEXCEPT_IF(false) { delete ptr_; }
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T* release() {
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T* ptr = ptr_;
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ptr_ = 0;
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return ptr;
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}
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T& operator*() {
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BOOST_CONTRACT_DETAIL_DEBUG(ptr_);
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return *ptr_;
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}
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T const& operator*() const {
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BOOST_CONTRACT_DETAIL_DEBUG(ptr_);
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return *ptr_;
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}
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T* operator->() { return ptr_; }
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T const* operator->() const { return ptr_; }
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BOOST_CONTRACT_DETAIL_OPERATOR_SAFE_BOOL(auto_ptr<T>, !!ptr_)
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private:
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T* ptr_;
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};
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} } } // namespace
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#endif // #include guard
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