std::pointer_traits<Ptr>::to_address

Defined in header <memory>
static element_type* to_address(pointer p) noexcept;
(1) (since C++20)
(optional member of user-defined specialization)

Constructs a raw pointer that references the same object as its pointer-like ("fancy pointer") argument.

This function, if defined, is the inverse of pointer_to, and exists as the customization point to be called by std::to_address.

Parameters

p - fancy pointer/pointer-like object

Return value

A raw pointer of the type element_type* that references the same memory location as the argument p.

See also

[static]
obtains a dereferenceable pointer to its argument
(public static member function)
(C++20)
obtains a raw pointer from a pointer-like type
(function template)

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/memory/pointer_traits/to_address