detray::ranges::empty_view< value_t > Class Template Reference

Implements an empty view of a given type. More...

#include <detray/utils/ranges/empty.hpp>

Inheritance diagram for detray::ranges::empty_view< value_t >:

Collaboration diagram for detray::ranges::empty_view< value_t >:

Public Types
using	iterator_t = value_t*
	Iterator category: bidirectional.

Public Member Functions
constexpr value_t	front () const noexcept=delete
	No value contained in view.
constexpr value_t	back () const noexcept=delete
constexpr value_t	operator[] (const dindex) const noexcept=delete
Public Member Functions inherited from detray::ranges::view_interface< empty_view< value_t > >
constexpr decltype(auto)	back () const
	Return a reference to the last element.
constexpr auto	data () const
	Return a pointer to the first element, or null for an empty view.
constexpr auto	empty () const -> bool
	Check whether the view contains no elements.
constexpr decltype(auto)	front () const
	Return a reference to the first element.
constexpr	operator bool () const
	Test whether the view contains at least one element.
constexpr decltype(auto)	operator[] (const dindex i) const
	Subscript operator that takes detray dindex.
constexpr auto	size () const
	Return the number of elements in the view.

Static Public Member Functions
static constexpr value_t *	begin () noexcept
static constexpr value_t *	data () noexcept
static constexpr bool	empty () noexcept
static constexpr value_t *	end () noexcept
static constexpr std::size_t	size () noexcept

Detailed Description

template<typename value_t>
class detray::ranges::empty_view< value_t >

Implements an empty view of a given type.

See also

https://en.cppreference.com/w/cpp/ranges/empty_view

Template Parameters

value_t

type of the empty view.

Member Function Documentation

begin()

template<typename value_t>

constexpr value_t * detray::ranges::empty_view< value_t >::begin ( )

staticconstexprnoexcept

Returns

nullptr

data()

template<typename value_t>

constexpr value_t * detray::ranges::empty_view< value_t >::data ( )

staticconstexprnoexcept

Returns

nullptr

empty()

template<typename value_t>

constexpr bool detray::ranges::empty_view< value_t >::empty ( )

staticconstexprnoexcept

Returns

true

end()

template<typename value_t>

constexpr value_t * detray::ranges::empty_view< value_t >::end ( )

staticconstexprnoexcept

Returns

nullptr

size()

template<typename value_t>

constexpr std::size_t detray::ranges::empty_view< value_t >::size ( )

staticconstexprnoexcept

Returns

zero