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deduction guides for `std::mdspan`

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< cpp‎ | container‎ | mdspan

Compiler support

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Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Diagnostics library

Memory management library

Metaprogramming library (C++11)

General utilities library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

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Numerics library

Date and time library

Input/output library

Filesystem library (C++17)

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Execution control library (C++26)

Technical specifications

External libraries

Containers library

(C++17)

(C++11)

(C++26)

(C++26)

(C++11)

Unordered associative

(C++11)

unordered_multiset

(C++11)

(C++11)

unordered_multimap

(C++11)

(C++23)

(C++23)

(C++23)

(C++23)

(C++20)

(C++23)

Tables

Iterator invalidation

Member function table

Non-member function table

Member functions

mdspan::operator=

mdspan::operator[]

mdspan::rank_dynamic

mdspan::static_extent

mdspan::extents

mdspan::data_handle

mdspan::mapping

mdspan::accessor

mdspan::is_uniquemdspan::is_exhaustivemdspan::is_stridedmdspan::is_always_uniquemdspan::is_always_exhaustivemdspan::is_always_strided

Non-member functions

swap(std::mdspan)

(C++26)

submdspan_extents

(C++26)

Helper types and templates

extentsdextents

(C++26)

default_accessor

aligned_accessor

(C++26)

Layout mapping policies

layout_left_padded

(C++26)

layout_right_padded

(C++26)

Subviews helpers

(C++26)

(C++26)

submdspan_mapping_result

(C++26)

Deduction guides

Defined in header <mdspan>

template< class CArray >

requires(std::is_array_v <CArray> && std::rank_v <CArray> == 1)
mdspan( CArray& )
-> mdspan<std::remove_all_extents_t <CArray>,

std::extents <std::size_t, std::extent_v <CArray, 0>>>;

(1) (since C++23)

template< class Pointer >

requires(std::is_pointer_v <std::remove_reference_t <Pointer>>)
mdspan( Pointer&& )
-> mdspan<std::remove_pointer_t <std::remove_reference_t <Pointer>>,

std::extents <size_t>>;

(2) (since C++23)

template< class ElementType, class... Integrals >

requires((std::is_convertible_v <Integrals, std::size_t > && ...) &&
sizeof...(Integrals) > 0)
explicit mdspan( ElementType*, Integrals... )

-> mdspan<ElementType, std::dextents <std::size_t, sizeof...(Integrals)>>;

(3) (since C++23)

template< class ElementType, class OtherIndexType, std::size_t N >

mdspan( ElementType*, std::span <OtherIndexType, N> )

-> mdspan<ElementType, std::dextents <std::size_t, N>>;

(4) (since C++23)

template< class ElementType, class OtherIndexType, std::size_t N >

mdspan( ElementType*, const std::array <OtherIndexType, N>& )

-> mdspan<ElementType, std::dextents <std::size_t, N>>;

(5) (since C++23)

template< class ElementType, class IndexType, std::size_t... ExtentsPack >

mdspan( ElementType*, const std::extents <IndexType, ExtentsPack...>& )

-> mdspan<ElementType, std::extents <IndexType, ExtentsPack...>>;

(6) (since C++23)

template< class ElementType, class MappingType >

mdspan( ElementType*, const MappingType& )
-> mdspan<ElementType, typename MappingType::extents_type,

typename MappingType::layout_type>;

(7) (since C++23)

template< class MappingType, class AccessorType >

mdspan( const typename AccessorType::data_handle_type&, const MappingType&,
const AccessorType& )
-> mdspan<typename AccessorType::element_type,
typename MappingType::extents_type,

typename MappingType::layout_type, AccessorType>;

(8) (since C++23)

This section is incomplete
Reason: explanation

[edit] Example

This section is incomplete
Reason: no example

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