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Alex Fabijanic
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// | ||
// MakeUnique.h | ||
// | ||
// Library: Foundation | ||
// Package: Core | ||
// Module: MakeUnique | ||
// | ||
// Definition of the MakeUnique template class. This is essentially std::make_unique | ||
// for pre-C++14 compilers. | ||
// | ||
// Code adapted for naming convention from https://isocpp.org/files/papers/N3656.txt | ||
// | ||
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. | ||
// and Contributors. | ||
// | ||
// SPDX-License-Identifier: BSL-1.0 | ||
// | ||
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#ifndef Foundation_MakeUnique_INCLUDED | ||
#define Foundation_MakeUnique_INCLUDED | ||
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#include "Poco/Foundation.h" | ||
#include <cstddef> | ||
#include <memory> | ||
#include <type_traits> | ||
#include <utility> | ||
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namespace Poco { | ||
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template<class T> struct UniqueIf | ||
{ | ||
typedef std::unique_ptr<T> SingleObject; | ||
}; | ||
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template<class T> struct UniqueIf<T[]> | ||
{ | ||
typedef std::unique_ptr<T[]> UnknownBound; | ||
}; | ||
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template<class T, size_t N> struct UniqueIf<T[N]> | ||
{ | ||
typedef void KnownBound; | ||
}; | ||
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template<class T, class... Args> | ||
typename UniqueIf<T>::SingleObject makeUnique(Args&&... args) | ||
{ | ||
return std::unique_ptr<T>(new T(std::forward<Args>(args)...)); | ||
} | ||
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template<class T> | ||
typename UniqueIf<T>::UnknownBound makeUnique(size_t n) | ||
{ | ||
typedef typename std::remove_extent<T>::type U; | ||
return std::unique_ptr<T>(new U[n]()); | ||
} | ||
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template<class T, class... Args> | ||
typename UniqueIf<T>::KnownBound makeUnique(Args&&...) = delete; | ||
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} // namespace Poco | ||
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#endif // Foundation_MakeUnique_INCLUDED |
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