from_unique_ptr.hpp

Go to the documentation of this file.

 
#pragma once
 
#include <concepts>
#include <memory/from_allocator.hpp>
#include <memory/from_delay_delete.hpp>
#include <memory>
 
namespace from {
template <typename T>
using unique_ptr = std::unique_ptr<T, from::delay_delete<T>>;
 
template <typename T, typename... Args>
[[nodiscard]] from::unique_ptr<T> make_unique(Args&&... args) {
    from::allocator<T> allocator;
    using altraits = std::allocator_traits<decltype(allocator)>;
    T* p = altraits::allocate(allocator, 1);
    if (!p)
        return nullptr;
    altraits::construct(allocator, p, std::forward<Args>(args)...);
    return from::unique_ptr<T>{ p };
}
 
// Compile time size checks - failing these means binary incompatibility
static_assert(sizeof(from::unique_ptr<std::byte>) == 8,
    "ELDEN RING ABI requirement");
} // namespace from