std::experimental::observer_ptr::reset

constexpr void reset(element_type* p = nullptr) noexcept;		(library fundamentals TS v2)

Set *this to watch the object pointed to by p. get() returns p after the call.

ptr

-

pointer to a new object to watch

Language
Headers
Freestanding and hosted implementations
Named requirements
Language support library
Concepts library (C++20)
Diagnostics library
Utilities library
Strings library
Containers library
Algorithms library
Iterators library
Numerics library
Input/output library
Localizations library
Regular expressions library (C++11)
Atomic operations library (C++11)
Thread support library (C++11)
Filesystem library (C++17)
Technical Specifications

Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Concepts (concepts TS)
Ranges (ranges TS)
Special mathematical functions (special math TR)

experimental::propagate_const
experimental::not_fn
experimental::observer_ptr
experimental::make_array
experimental::to_array
experimental::ostream_joiner
experimental::gcd
experimental::lcm
experimental::source_location
experimental::randint
detection idiom
uniform container erasure
logical operator type traits

Member functions
observer_ptr::observer_ptr
Modifiers
observer_ptr::release
observer_ptr::reset
observer_ptr::swap
Observers
observer_ptr::get
observer_ptr::operator bool
observer_ptr::operator*observer_ptr::operator->
Conversions
observer_ptr::operator element_type*
Non-member functions
make_observer
operator==operator!=operator<operator>operator<=operator>operator>=
swap
std::hash