# std::pointer_traits<Ptr>::to_address

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< cpp‎ | memory‎ | pointer traits

Defined in header `<memory>` |  |
static element_type* to_address( pointer p ) noexcept; |  | (since C++20) (optional member of program-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

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

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