o3tl::span< T > Class Template Reference

A barebones approximation of C++20 . More...

#include <span.hxx>

Inheritance diagram for o3tl::span< T >:

Public Types
using	value_type = T
using	pointer = value_type *
using	const_pointer = value_type const *
using	reference = value_type &
using	const_reference = value_type const &
using	const_iterator = const_pointer
using	iterator = pointer
using	const_reverse_iterator = std::reverse_iterator< const_iterator >
using	reverse_iterator = std::reverse_iterator< iterator >
using	size_type = std::size_t
using	difference_type = std::ptrdiff_t

Public Member Functions
constexpr	span () noexcept
template<std::size_t N>
constexpr	span (T(&a)[N]) noexcept
constexpr	span (T *a, size_type len) noexcept
template<typename T2 >
constexpr	span (const std::vector< T2 > &vec)
constexpr	span (const span< typename std::remove_const< T >::type > &other) noexcept
	for assigning from span<T> to span<const T> More...
constexpr bool	empty () const noexcept
constexpr iterator	begin () const noexcept
constexpr iterator	end () const noexcept
reverse_iterator	rbegin () const noexcept
reverse_iterator	rend () const noexcept
constexpr size_type	size () const noexcept
constexpr reference	operator[] (size_type pos) const
constexpr pointer	data () const noexcept

Private Attributes
pointer	data_
size_type	size_

Detailed Description

template<typename T>
class o3tl::span< T >

A barebones approximation of C++20 .

Definition at line 36 of file span.hxx.

Member Typedef Documentation

const_iterator

template<typename T >

using o3tl::span< T >::const_iterator = const_pointer

Definition at line 43 of file span.hxx.

const_pointer

template<typename T >

using o3tl::span< T >::const_pointer = value_type const *

Definition at line 40 of file span.hxx.

const_reference

template<typename T >

using o3tl::span< T >::const_reference = value_type const &

Definition at line 42 of file span.hxx.

const_reverse_iterator

template<typename T >

using o3tl::span< T >::const_reverse_iterator = std::reverse_iterator<const_iterator>

Definition at line 45 of file span.hxx.

difference_type

template<typename T >

using o3tl::span< T >::difference_type = std::ptrdiff_t

Definition at line 48 of file span.hxx.

iterator

template<typename T >

using o3tl::span< T >::iterator = pointer

Definition at line 44 of file span.hxx.

pointer

template<typename T >

using o3tl::span< T >::pointer = value_type *

Definition at line 39 of file span.hxx.

reference

template<typename T >

using o3tl::span< T >::reference = value_type &

Definition at line 41 of file span.hxx.

reverse_iterator

template<typename T >

using o3tl::span< T >::reverse_iterator = std::reverse_iterator<iterator>

Definition at line 46 of file span.hxx.

size_type

template<typename T >

using o3tl::span< T >::size_type = std::size_t

Definition at line 47 of file span.hxx.

value_type

template<typename T >

using o3tl::span< T >::value_type = T

Definition at line 38 of file span.hxx.

Constructor & Destructor Documentation

span() [1/5]

template<typename T >

constexpr o3tl::span< T >::span ( )

inlineconstexprnoexcept

Definition at line 50 of file span.hxx.

span() [2/5]

template<typename T >

template<std::size_t N>

constexpr o3tl::span< T >::span ( T(&)  a[N] )

inlineconstexprnoexcept

Definition at line 53 of file span.hxx.

span() [3/5]

template<typename T >

constexpr o3tl::span< T >::span ( T *  a, size_type  len  )

inlineconstexprnoexcept

Definition at line 55 of file span.hxx.

References a.

span() [4/5]

template<typename T >

template<typename T2 >

constexpr o3tl::span< T >::span ( const std::vector< T2 > &  vec )

inlineconstexpr

Definition at line 63 of file span.hxx.

span() [5/5]

template<typename T >

constexpr o3tl::span< T >::span ( const span< typename std::remove_const< T >::type > &  other )

inlineconstexprnoexcept

for assigning from span<T> to span<const T>

Definition at line 67 of file span.hxx.

Member Function Documentation

begin()

template<typename T >

constexpr iterator o3tl::span< T >::begin ( ) const

inlineconstexprnoexcept

Definition at line 72 of file span.hxx.

References o3tl::span< T >::data_.

Referenced by o3tl::span< T >::end(), and o3tl::span< T >::rend().

data()

template<typename T >

constexpr pointer o3tl::span< T >::data ( ) const

inlineconstexprnoexcept

Definition at line 87 of file span.hxx.

References o3tl::span< T >::data_.

empty()

template<typename T >

constexpr bool o3tl::span< T >::empty ( ) const

inlineconstexprnoexcept

Definition at line 70 of file span.hxx.

References o3tl::span< T >::size_.

end()

template<typename T >

constexpr iterator o3tl::span< T >::end ( ) const

inlineconstexprnoexcept

Definition at line 73 of file span.hxx.

References o3tl::span< T >::begin(), and o3tl::span< T >::size().

Referenced by o3tl::span< T >::rbegin().

operator[]()

template<typename T >

constexpr reference o3tl::span< T >::operator[] ( size_type  pos ) const

inlineconstexpr

Definition at line 82 of file span.hxx.

References o3tl::span< T >::data_, pos, and o3tl::span< T >::size().

rbegin()

template<typename T >

reverse_iterator o3tl::span< T >::rbegin ( ) const

inlinenoexcept

Definition at line 75 of file span.hxx.

References o3tl::span< T >::end().

rend()

template<typename T >

reverse_iterator o3tl::span< T >::rend ( ) const

inlinenoexcept

Definition at line 77 of file span.hxx.

References o3tl::span< T >::begin().

size()

template<typename T >

constexpr size_type o3tl::span< T >::size ( ) const

inlineconstexprnoexcept

Definition at line 80 of file span.hxx.

References o3tl::span< T >::size_.

Referenced by o3tl::span< T >::end(), and o3tl::span< T >::operator[]().

Member Data Documentation

data_

template<typename T >

pointer o3tl::span< T >::data_

private

Definition at line 90 of file span.hxx.

Referenced by o3tl::span< T >::begin(), o3tl::span< T >::data(), and o3tl::span< T >::operator[]().

size_

template<typename T >

size_type o3tl::span< T >::size_

private

Definition at line 91 of file span.hxx.

Referenced by o3tl::span< T >::empty(), and o3tl::span< T >::size().

---

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

• span.hxx