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Variants

std::indirect<T, Allocator>:: operator->, std::indirect<T, Allocator>:: operator*

From cppreference.net
Memory management library
( exposition only* )
Allocators
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Memory resources
Uninitialized storage (until C++20)
( until C++20* )
( until C++20* )
( until C++20* )

Garbage collector support (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
constexpr const_pointer operator - > ( ) const noexcept ;
(1) (since C++26)
constexpr pointer operator - > ( ) noexcept ;
(2) (since C++26)
constexpr const T & operator * ( ) const & noexcept ;
(3) (since C++26)
constexpr T & operator * ( ) & noexcept ;
(4) (since C++26)
constexpr const T && operator * ( ) const && noexcept ;
(5) (since C++26)
constexpr T && operator * ( ) && noexcept ;
(6) (since C++26)

Accesses the owned value.

1,2) Returns a pointer to the owned value.
3-6) Returns a reference to the owned value.

If * this is valueless, the behavior is undefined.

Return value

1,2) p
3,4) * p
5,6) std :: move ( * p  )

Notes

This operator does not check whether * this is valueless, users can do so manually by using valueless_after_move() .

Example