std::experimental::ranges::tagged<Base,Tags...>::tagged

 

C++

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Standard library

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Feature test macros (C++20)

Language support library

Concepts library (C++20)

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Technical specifications

Symbols index

External libraries

 

Experimental

Technical Specification

Filesystem library (filesystem TS)

Library fundamentals (library fundamentals TS)

Library fundamentals 2 (library fundamentals TS v2)

Library fundamentals 3 (library fundamentals TS v3)

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Extensions for parallelism 2 (parallelism TS v2)

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Extensions for concurrency 2 (concurrency TS v2)

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Pattern Matching

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Ranges

Concepts

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Iterators

Ranges

Algorithms

 

General utilities library

Utility components
swap	exchange
Function objects
invoke identity	equal_to not_equal_to	greater less	greater_equal less_equal
Metaprogramming and type traits
is_swappable_withis_swappable	is_nothrow_swappable_withis_nothrow_swappable	common_reference common_type
Tagged pairs and tuples
TagSpecifier TaggedType	tagged tag specifiers	tagged_pair make_tagged_pair	tagged_tuple make_tagged_tuple

 

std::experimental::ranges::tagged

Member functions

tagged::tagged

tagged::operator=

tagged::swap

Named accessors

Non-member functions

ranges::swap(ranges::tagged)

Helper classes

tuple_size

tuple_element

 

using Base::Base;	(1)
tagged() = default;	(2)
tagged( tagged&& that ) = default;	(3)
tagged( const tagged& that ) = default;	(4)
tagged( Base&& that ) noexcept(std::is_nothrow_move_constructible<Base>::value)     requires MoveConstructible<Base>;	(5)
tagged( const Base& that ) noexcept(std::is_nothrow_copy_constructible<Base>::value)     requires CopyConstructible<Base>;	(6)
template< class Other >     requires Constructible<Base, Other> constexpr tagged( ranges::tagged<Other, Tags...> && that )     noexcept(std::is_nothrow_constructible<Base, Other>::value);	(7)
template< class Other >     requires Constructible<Base, const Other&> constexpr tagged( const ranges::tagged<Other, Tags...> &that );	(8)

Constructs a tagged object.

1) tagged<Base, Tags...> inherits the constructors of Base.

2-4) tagged has defaulted default, copy, and move constructors that invoke the corresponding constructor of Base.

5) Converting move constructor from Base. Initializes the Base subobject with std::move(that).

6) Converting copy constructor from Base. Initializes the Base subobject with that.

7) Converting move constructor from a different tagged specialization with matching tags. Initializes the Base subobject with static_cast<Other&&>(that).

8) Converting copy constructor from a different tagged specialization with matching tags. Initializes the Base subobject with static_cast<const Other&>(that).