Dune::Std::default_accessor< Element > Class Template Reference

A type for indexed access to elements of mdspan.The default_accessor class template is the default AccessorPolicy used by mdspan if no user-specified accessor policy is provided. More...

#include <dune/common/std/default_accessor.hh>

Public Types
using	element_type = Element
using	data_handle_type = element_type *
using	reference = element_type &
using	offset_policy = default_accessor

Public Member Functions
constexpr	default_accessor () noexcept=default
	Default constructor. More...
template<class OtherElement , std::enable_if_t< std::is_convertible_v< OtherElement(*)[], Element(*)[]>, int > = 0>
constexpr	default_accessor (default_accessor< OtherElement >) noexcept
	Converting constructor from an accessor with different element type. More...
constexpr reference	access (data_handle_type p, std::size_t i) const noexcept
	Return a reference to the i'th element in the data range starting at p More...
constexpr data_handle_type	offset (data_handle_type p, std::size_t i) const noexcept
	Return a data handle to the i'th element in the data range starting at p More...

Detailed Description

template<class Element>
class Dune::Std::default_accessor< Element >

A type for indexed access to elements of mdspan.

The default_accessor class template is the default AccessorPolicy used by mdspan if no user-specified accessor policy is provided.

Template Parameters

Element

The element type. Shall be a complete object type that is neither an abstract class type nor an array type. Otherwise, the program is ill-formed.

Member Typedef Documentation

data_handle_type

template<class Element >

using Dune::Std::default_accessor< Element >::data_handle_type = element_type*

element_type

template<class Element >

using Dune::Std::default_accessor< Element >::element_type = Element

offset_policy

template<class Element >

using Dune::Std::default_accessor< Element >::offset_policy = default_accessor

reference

template<class Element >

using Dune::Std::default_accessor< Element >::reference = element_type&

Constructor & Destructor Documentation

default_accessor() [1/2]

template<class Element >

constexpr Dune::Std::default_accessor< Element >::default_accessor ( )

defaultnoexcept

Default constructor.

default_accessor() [2/2]

template<class Element >

template<class OtherElement , std::enable_if_t< std::is_convertible_v< OtherElement(*)[], Element(*)[]>, int > = 0>

constexpr Dune::Std::default_accessor< Element >::default_accessor ( default_accessor< OtherElement >  )

inlinenoexcept

Converting constructor from an accessor with different element type.

Member Function Documentation

access()

template<class Element >

constexpr reference Dune::Std::default_accessor< Element >::access ( data_handle_type  p, std::size_t  i  ) const

inlinenoexcept

Return a reference to the i'th element in the data range starting at p

offset()

template<class Element >

constexpr data_handle_type Dune::Std::default_accessor< Element >::offset ( data_handle_type  p, std::size_t  i  ) const

inlinenoexcept

Return a data handle to the i'th element in the data range starting at p

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The documentation for this class was generated from the following file:

• default_accessor.hh