destroy_at.hpp

Go to the documentation of this file.

// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_MEMORY_DESTROY_AT_HPP
#define TETL_MEMORY_DESTROY_AT_HPP
 
#include <etl/_memory/addressof.hpp>
#include <etl/_type_traits/is_array.hpp>
 
namespace etl {
 
/// \brief If T is not an array type, calls the destructor of the object pointed
/// to by p, as if by p->~T(). If T is an array type, recursively destroys
/// elements of *p in order, as if by calling destroy(begin(*p),
/// end(*p)).
template <typename T>
constexpr auto destroy_at(T* p) -> void
{
    if constexpr (is_array_v<T>) {
        for (auto& elem : *p) {
            destroy_at(addressof(elem));
        }
    } else {
        p->~T();
    }
}
 
} // namespace etl
 
#endif // TETL_MEMORY_DESTROY_AT_HPP