Span - Fixed Extent. More...

#include <span.h>

Public Types
typedef T	element_type
typedef etl::remove_cv< T >::type	value_type
typedef size_t	size_type
typedef T &	reference
typedef const T &	const_reference
typedef T *	pointer
typedef const T *	const_pointer
typedef T *	iterator
typedef const T *	const_iterator
typedef ETL_OR_STD::reverse_iterator< iterator >	reverse_iterator
typedef ETL_OR_STD::reverse_iterator< const_iterator >	const_reverse_iterator
typedef etl::circular_iterator< pointer >	circular_iterator
typedef etl::circular_iterator< ETL_OR_STD::reverse_iterator< pointer > >	reverse_circular_iterator

Public Member Functions
template<typename TIterator, typename TSize>
ETL_CONSTEXPR	span (const TIterator begin_, const TSize) ETL_NOEXCEPT
	Construct from iterators + size.
template<typename TIterator>
ETL_CONSTEXPR	span (const TIterator begin_, const TIterator) ETL_NOEXCEPT
	Construct from iterators.
template<size_t Array_Size>
ETL_CONSTEXPR	span (element_type(&begin_)[Array_Size], typename etl::enable_if<(Array_Size==Extent), void >::type *=0) ETL_NOEXCEPT
	Construct from C array.
template<typename TContainer>
	span (TContainer &a, typename etl::enable_if<!etl::is_base_of< span_tag, typename etl::remove_reference< TContainer >::type >::value &&!etl::is_std_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_etl_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_pointer< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_array< TContainer >::value &&etl::is_same< typename etl::remove_cv< T >::type, typename etl::remove_cv< typename etl::remove_reference< TContainer >::type::value_type >::type >::value, void >::type *=0) ETL_NOEXCEPT
template<typename TContainer>
	span (const TContainer &a, typename etl::enable_if<!etl::is_base_of< span_tag, typename etl::remove_reference< TContainer >::type >::value &&!etl::is_std_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_etl_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_pointer< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_array< TContainer >::value &&etl::is_same< typename etl::remove_cv< T >::type, typename etl::remove_cv< typename etl::remove_reference< TContainer >::type::value_type >::type >::value, void >::type *=0) ETL_NOEXCEPT
ETL_CONSTEXPR	span (const span &other) ETL_NOEXCEPT
	Copy constructor.
template<typename U, size_t Size>
ETL_CONSTEXPR	span (const etl::span< U, Size > &other, typename etl::enable_if< Size==Extent, void >::type *=0) ETL_NOEXCEPT
template<typename U, size_t Size>
ETL_CONSTEXPR14	span (const etl::span< U, Size > &other, typename etl::enable_if< Size==etl::dynamic_extent, void >::type *=0)
template<typename U, size_t Size>
ETL_CONSTEXPR	span (etl::array< U, Size > &other, typename etl::enable_if< Size==Extent, void >::type *=0) ETL_NOEXCEPT
	Constructor from etl array.
template<typename U, size_t Size>
ETL_CONSTEXPR	span (const etl::array< U, Size > &other, typename etl::enable_if< Size==Extent &&etl::is_const< T >::value, void >::type *=0) ETL_NOEXCEPT
	Constructor from const etl array.
ETL_NODISCARD ETL_CONSTEXPR reference	front () const ETL_NOEXCEPT
	Returns a reference to the first element.
ETL_NODISCARD ETL_CONSTEXPR reference	back () const ETL_NOEXCEPT
	Returns a reference to the last element.
ETL_NODISCARD ETL_CONSTEXPR pointer	data () const ETL_NOEXCEPT
	Returns a pointer to the first element of the internal storage.
ETL_NODISCARD ETL_CONSTEXPR const_iterator	cbegin () const ETL_NOEXCEPT
	Returns a const iterator to the beginning of the span.
ETL_NODISCARD ETL_CONSTEXPR iterator	begin () const ETL_NOEXCEPT
	Returns an iterator to the beginning of the span.
ETL_NODISCARD ETL_CONSTEXPR circular_iterator	begin_circular () const ETL_NOEXCEPT
	Returns a circular iterator to the beginning of the span.
ETL_NODISCARD ETL_CONSTEXPR const_iterator	cend () const ETL_NOEXCEPT
	Returns a const iterator to the end of the span.
ETL_NODISCARD ETL_CONSTEXPR iterator	end () const ETL_NOEXCEPT
	Returns an iterator to the end of the span.
ETL_NODISCARD ETL_CONSTEXPR const_reverse_iterator	crbegin () const ETL_NOEXCEPT
ETL_NODISCARD ETL_CONSTEXPR reverse_iterator	rbegin () const ETL_NOEXCEPT
ETL_NODISCARD ETL_CONSTEXPR reverse_circular_iterator	rbegin_circular () const ETL_NOEXCEPT
	Returns a reverse circular iterator to the end of the span.
ETL_NODISCARD ETL_CONSTEXPR const_reverse_iterator	crend () const ETL_NOEXCEPT
	Returns a const reverse iterator to the end of the span.
ETL_NODISCARD ETL_CONSTEXPR reverse_iterator	rend () const ETL_NOEXCEPT
	Returns a reverse iterator to the end of the span.
ETL_NODISCARD ETL_CONSTEXPR bool	empty () const ETL_NOEXCEPT
	Returns true if the span size is zero.
ETL_NODISCARD ETL_CONSTEXPR size_t	size () const ETL_NOEXCEPT
	Returns the size of the span.
ETL_NODISCARD ETL_CONSTEXPR size_t	size_bytes () const ETL_NOEXCEPT
	Returns the size of the span in bytes.
ETL_NODISCARD ETL_CONSTEXPR size_t	max_size () const ETL_NOEXCEPT
	Returns the maximum possible size of the span.
ETL_CONSTEXPR14 span &	operator= (const span &other) ETL_NOEXCEPT
	Assign from a span.
ETL_NODISCARD ETL_CONSTEXPR14 reference	at (size_t i)
	Returns a reference to the value at index 'i'.
ETL_NODISCARD ETL_CONSTEXPR14 const_reference	at (size_t i) const
	Returns a const reference to the value at index 'i'.
ETL_CONSTEXPR reference	operator[] (const size_t i) const
	Returns a reference to the indexed value.
template<size_t COUNT>
ETL_NODISCARD ETL_CONSTEXPR etl::span< element_type, COUNT >	first () const ETL_NOEXCEPT
	Obtains a span that is a view over the first COUNT elements of this span.
ETL_NODISCARD ETL_CONSTEXPR etl::span< element_type, etl::dynamic_extent >	first (size_t count) const ETL_NOEXCEPT_EXPR(ETL_NOT_USING_EXCEPTIONS\|\|ETL_NOT_CHECKING_EXTRA)
	Obtains a span that is a view over the first count elements of this span.
template<size_t COUNT>
ETL_NODISCARD ETL_CONSTEXPR etl::span< element_type, COUNT >	last () const ETL_NOEXCEPT
	Obtains a span that is a view over the last COUNT elements of this span.
ETL_NODISCARD ETL_CONSTEXPR etl::span< element_type, etl::dynamic_extent >	last (size_t count) const ETL_NOEXCEPT_EXPR(ETL_NOT_USING_EXCEPTIONS\|\|ETL_NOT_CHECKING_EXTRA)
	Obtains a span that is a view over the last count elements of this span.
template<size_t OFFSET, size_t COUNT>
etl::span< element_type, COUNT !=etl::dynamic_extent ? COUNT :Extent - OFFSET >	subspan () const
	Obtains a span that is a view from OFFSET over the next COUNT elements of this span.
ETL_NODISCARD ETL_CONSTEXPR etl::span< element_type, etl::dynamic_extent >	subspan (size_t offset, size_t count=etl::dynamic_extent) const ETL_NOEXCEPT_EXPR(ETL_NOT_USING_EXCEPTIONS\|\|ETL_NOT_CHECKING_EXTRA)
	Obtains a span that is a view from 'offset' over the next 'count' elements of this span.
void	advance (size_t elements) ETL_NOEXCEPT
template<typename TNew>
ETL_NODISCARD ETL_CONSTEXPR14 etl::span< TNew, Extent *sizeof(element_type)/sizeof(TNew)>	reinterpret_as () const
	Reinterpret the span as a span with different element type.

Static Public Attributes
static ETL_CONSTANT size_t	extent = Extent

Detailed Description

template<typename T, size_t Extent = etl::dynamic_extent>
class etl::span< T, Extent >

Span - Fixed Extent.

Constructor & Destructor Documentation

◆ span() [1/5]

template<typename T, size_t Extent = etl::dynamic_extent>

template<size_t Array_Size>

ETL_CONSTEXPR etl::span< T, Extent >::span	(	element_type(&)	begin_[Array_Size],
		typename etl::enable_if<(Array_Size==Extent), void >::type *	= 0 )

inline

Construct from C array.

Construct from C array

◆ span() [2/5]

template<typename T, size_t Extent = etl::dynamic_extent>

template<typename TContainer>

etl::span< T, Extent >::span	(	TContainer &	a,
		typename etl::enable_if<!etl::is_base_of< span_tag, typename etl::remove_reference< TContainer >::type >::value &&!etl::is_std_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_etl_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_pointer< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_array< TContainer >::value &&etl::is_same< typename etl::remove_cv< T >::type, typename etl::remove_cv< typename etl::remove_reference< TContainer >::type::value_type >::type >::value, void >::type *	= 0 )

inline

Construct from a container or other type that supports data() and size() member functions.

◆ span() [3/5]

template<typename T, size_t Extent = etl::dynamic_extent>

template<typename TContainer>

etl::span< T, Extent >::span	(	const TContainer &	a,
		typename etl::enable_if<!etl::is_base_of< span_tag, typename etl::remove_reference< TContainer >::type >::value &&!etl::is_std_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_etl_array< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_pointer< typename etl::remove_reference< TContainer >::type >::value &&!etl::is_array< TContainer >::value &&etl::is_same< typename etl::remove_cv< T >::type, typename etl::remove_cv< typename etl::remove_reference< TContainer >::type::value_type >::type >::value, void >::type *	= 0 )

inline

Construct from a container or other type that supports data() and size() member functions.

◆ span() [4/5]

template<typename T, size_t Extent = etl::dynamic_extent>

template<typename U, size_t Size>

ETL_CONSTEXPR etl::span< T, Extent >::span	(	const etl::span< U, Size > &	other,
		typename etl::enable_if< Size==Extent, void >::type *	= 0 )

inline

Copy constructor From fixed extent span.

◆ span() [5/5]

template<typename T, size_t Extent = etl::dynamic_extent>

template<typename U, size_t Size>

ETL_CONSTEXPR14 etl::span< T, Extent >::span	(	const etl::span< U, Size > &	other,
		typename etl::enable_if< Size==etl::dynamic_extent, void >::type *	= 0 )

inline

Copy constructor From dynamic extent span.

Member Function Documentation

◆ advance()

template<typename T, size_t Extent = etl::dynamic_extent>

void etl::span< T, Extent >::advance ( size_t elements )

inline

Moves the pointer to the first element of the span further by a specified number of elements.

Template Parameters

elements Number of elements to move forward

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

include/etl/span.h

Public Types

Public Member Functions

Static Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ span() [1/5]

◆ span() [2/5]

◆ span() [3/5]

◆ span() [4/5]

◆ span() [5/5]

Member Function Documentation

◆ advance()