std::experimental::get_underlying

 

C++

Language

Standard library headers

Concepts

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)

Technical Specifications

 

Technical specifications

Filesystem library (filesystem TS)

Library fundamentals (library fundamentals TS)

Library fundamentals 2 (library fundamentals 2 TS)

Extensions for parallelism (parallelism TS)

Concepts (concepts TS)

Extensions for concurrency (concurrency TS)

 

Library fundamentals v2

experimental::propagate_const

experimental::not_fn

experimental::observer_ptr

experimental::make_array

experimental::ostream_joiner

experimental::gcd

experimental::lcm

experimental::source_location

detection idiom

uniform container erasure

 

std::experimental::propagate_const

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_type*propagate_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

 

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

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

Parameters

pt

-

a propagate_const object

Return value

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

Exceptions

noexcept specification:  

noexcept