std::experimental::get_underlying

Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals TS v2)
Library fundamentals 3 (library fundamentals TS v3)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Extensions for concurrency 2 (concurrency TS v2)
Concepts (concepts TS)
Ranges (ranges TS)
Reflection (reflection TS)
Mathematical special functions (special functions TR)

template< class T > constexpr T& get_underlying(propagate_const<T>& pt) noexcept;		(library fundamentals TS v2)
template< class T > constexpr const T& get_underlying(const propagate_const<T>& pt) noexcept;		(library fundamentals TS v2)

Retrieves a reference to the pointer-like object stored in a propagate_const.

pt - a propagate_const object

A reference to the pointer-like object stored in pt.

Compiler support
Freestanding and hosted
Language
Standard library headers
Named requirements
Feature test macros (C++20)
Language support library
Concepts library (C++20)
Metaprogramming library (C++11)
Diagnostics library
General utilities library
Strings library
Containers library
Iterators library
Ranges library (C++20)
Algorithms library
Numerics library
Localizations library
Input/output library
Filesystem library (C++17)
Regular expressions library (C++11)
Concurrency support library (C++11)
Technical specifications
Symbols index
External libraries

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
propagate_const::propagate_const
propagate_const::operator=
propagate_const::swap
Observers
propagate_const::get
propagate_const::operator bool
propagate_const::operator*propagate_const::operator->
propagate_const::operator element_typepropagate_const::operator const element_type
Non-member functions
operator==operator!=operator<operator>operator<=operator>operator>=
swap
get_underlying
Helper classes
std::hash
std::equal_tostd::not_equal_tostd::lessstd::greaterstd::less_equalstd::greater_equal