make_unique.h

/*  This file is part of the Vc library. {{{
Copyright © 2013-2015 Matthias Kretz <kretz@kde.org>

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
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      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
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      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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}}}*/

#ifndef VC_COMMON_MAKE_UNIQUE_H_
#define VC_COMMON_MAKE_UNIQUE_H_

#include <memory>

#include "macros.h"

namespace Vc_VERSIONED_NAMESPACE
{
namespace Common
{

template<typename T> struct Deleter
{
    Vc_ALWAYS_INLINE void operator()(T *ptr) {
        ptr->~T();
        Vc::free(ptr);
    }
};

template<class T, MallocAlignment A = Vc::AlignOnVector, class... Args>
inline std::unique_ptr<T, Deleter<T>> make_unique(Args&&... args)
{
    return std::unique_ptr<T, Deleter<T>>(new(Vc::malloc<T, A>(1)) T(std::forward<Args>(args)...));
}

}  // namespace Common
}  // namespace Vc

#endif // VC_COMMON_MAKE_UNIQUE_H_