stdx Namespace Reference

Namespaces
namespace	base
namespace	detail
namespace	filesystem
namespace	impl
namespace	io
namespace	ranges
namespace	this_process

Classes
struct	__is_scoped_enum_helper
struct	__is_scoped_enum_helper< T, true >
class	expected
class	ExpectedImpl
class	ExpectedImpl< void, E >
class	ExpectedImplBase
class	flags
	a type-safe flags type. More...
struct	indirectly_readable_traits
struct	indirectly_readable_traits< const T >
struct	indirectly_readable_traits< T *, std::enable_if_t< std::is_object_v< T > > >
struct	indirectly_readable_traits< T, std::enable_if_t< impl::has_element_type< T >::value > >
struct	indirectly_readable_traits< T, std::enable_if_t< impl::has_value_type< T >::value > >
struct	indirectly_readable_traits< T, std::enable_if_t< std::is_array_v< T > > >
struct	is_expected_impl
struct	is_expected_impl< expected< T, E > >
struct	is_flags
struct	is_flags< classic_protocol::message::client::impl::BinlogDump::Flags >
struct	is_flags< classic_protocol::message::client::impl::BinlogDumpGtid::Flags >
struct	is_flags< StmtClassifier >
struct	is_flags< TlsVerifyOpts >
struct	is_scoped_enum
struct	remove_cvref
class	span
struct	type_identity
struct	unexpect_t
class	unexpected

Typedefs
template<class T >
using	is_expected = is_expected_impl< std::decay_t< T > >
template<class T >
using	iter_value_t = typename indirectly_readable_traits< stdx::remove_cvref_t< T > >::value_type
template<class T >
using	iter_reference_t = typename impl::iter_reference< stdx::remove_cvref_t< T > >::reference
template<class T >
using	remove_cvref_t = typename remove_cvref< T >::type
template<class T >
using	type_identity_t = typename type_identity< T >::type

Enumerations
enum class	endian { little = __ORDER_LITTLE_ENDIAN__ , big = __ORDER_BIG_ENDIAN__ , native = __BYTE_ORDER__ }

Functions
template<class IntegerType >
constexpr std::enable_if_t< std::is_integral< IntegerType >::value, IntegerType >	byteswap (IntegerType t) noexcept
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, T >	rotl (T x, int s) noexcept
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, T >	rotr (T x, int s) noexcept
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, int >	popcount (T v) noexcept
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, int >	countl_zero (T x) noexcept
	consecutive 0-bits starting from MSB. More...
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, int >	countr_zero (T x) noexcept
	consecutive 0-bits starting from LSB (right). More...
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, int >	countr_one (T x) noexcept
	consecutive 1-bits starting from LSB (right). More...
template<class T >
constexpr std::enable_if_t< std::is_unsigned< T >::value, int >	countl_one (T x) noexcept
	consecutive 1-bits starting from LSB (right). More...
template<typename E >
constexpr auto	make_unexpected (E &&e) -> unexpected< std::decay_t< E > >
template<class E >
	unexpected (E) -> unexpected< E >
template<class Exp , class Func >
constexpr auto	expected_transform_impl (Exp &&exp, Func &&func)
template<class E1 , class E2 >
bool	operator== (const unexpected< E1 > &a, const unexpected< E2 > &b)
template<class E1 , class E2 >
bool	operator!= (const unexpected< E1 > &a, const unexpected< E2 > &b)
template<class T1 , class E1 , class T2 , class E2 >
bool	operator== (const expected< T1, E1 > &a, const expected< T2, E2 > &b)
template<class E1 , class E2 >
bool	operator== (const expected< void, E1 > &a, const expected< void, E2 > &b)
template<class T1 , class E1 , class T2 , class E2 >
bool	operator!= (const expected< T1, E1 > &a, const expected< T2, E2 > &b)
template<class T1 , class E1 , class E2 >
bool	operator== (const expected< T1, E1 > &a, const unexpected< E2 > &b)
template<class T1 , class E1 , class E2 >
bool	operator== (const unexpected< E2 > &a, const expected< T1, E1 > &b)
template<class T1 , class E1 , class E2 >
bool	operator!= (const expected< T1, E1 > &a, const unexpected< E2 > &b)
template<class T1 , class E1 , class E2 >
bool	operator!= (const unexpected< E2 > &a, const expected< T1, E1 > &b)
template<class T , class E >
std::enable_if_t< impl::is_to_stream_writable< std::ostream, T >::value &&impl::is_to_stream_writable< std::ostream, E >::value, std::ostream & >	operator<< (std::ostream &os, const stdx::expected< T, E > &res)
	write stdx::expected<T, E> to std::ostream. More...
template<class E >
std::enable_if_t< impl::is_to_stream_writable< std::ostream, E >::value, std::ostream & >	operator<< (std::ostream &os, const stdx::expected< void, E > &res)
	write stdx::expected<void, E> to std::ostream. More...
template<class E >
std::enable_if_t< impl::is_to_stream_writable< std::ostream, E >::value, std::ostream & >	operator<< (std::ostream &os, const stdx::unexpected< E > &res)
	write stdx::unexpected<E> to std::ostream. More...
template<class Container >
	span (Container &) -> span< typename Container::value_type >
template<class Container >
	span (Container const &) -> span< const typename Container::value_type >
template<class T , std::size_t N>
span< const std::byte, detail::span_size< T, N >::size >	as_bytes (span< T, N > spn) noexcept
	get a view to underlying bytes of a span 'spn'. More...
template<class T , std::size_t N, std::enable_if_t<!std::is_const_v< T >, int > = 0>
span< std::byte, detail::span_size< T, N >::size >	as_writable_bytes (span< T, N > spn) noexcept
	get a writable view to underlying bytes of a span 'spn'. More...

Variables
constexpr unexpect_t	unexpect {}
template<class E >
constexpr bool	is_flags_v = is_flags<E>::value
constexpr std::size_t	dynamic_extent
template<class E >
constexpr bool	is_scoped_enum_v = is_scoped_enum<E>::value

Typedef Documentation

is_expected

template<class T >

using stdx::is_expected = typedef is_expected_impl<std::decay_t<T> >

iter_reference_t

template<class T >

using stdx::iter_reference_t = typedef typename impl::iter_reference<stdx::remove_cvref_t<T> >::reference

iter_value_t

template<class T >

using stdx::iter_value_t = typedef typename indirectly_readable_traits<stdx::remove_cvref_t<T> >::value_type

remove_cvref_t

template<class T >

using stdx::remove_cvref_t = typedef typename remove_cvref<T>::type

type_identity_t

template<class T >

using stdx::type_identity_t = typedef typename type_identity<T>::type

Enumeration Type Documentation

endian

enum class stdx::endian

strong

Enumerator
little
big
native

Function Documentation

as_bytes()

template<class T , std::size_t N>

span< const std::byte, detail::span_size< T, N >::size > stdx::as_bytes ( span< T, N >  spn )

noexcept

get a view to underlying bytes of a span 'spn'.

as_writable_bytes()

template<class T , std::size_t N, std::enable_if_t<!std::is_const_v< T >, int > = 0>

span< std::byte, detail::span_size< T, N >::size > stdx::as_writable_bytes ( span< T, N >  spn )

noexcept

get a writable view to underlying bytes of a span 'spn'.

byteswap()

template<class IntegerType >

constexpr std::enable_if_t< std::is_integral< IntegerType >::value, IntegerType > stdx::byteswap ( IntegerType  t )

constexprnoexcept

countl_one()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, int > stdx::countl_one ( T  x )

constexprnoexcept

consecutive 1-bits starting from LSB (right).

countl_zero()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, int > stdx::countl_zero ( T  x )

inlineconstexprnoexcept

consecutive 0-bits starting from MSB.

0b0000'0000 = 8 0b0000'0001 = 7 0b0000'1110 = 4

countr_one()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, int > stdx::countr_one ( T  x )

constexprnoexcept

consecutive 1-bits starting from LSB (right).

countr_zero()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, int > stdx::countr_zero ( T  x )

constexprnoexcept

consecutive 0-bits starting from LSB (right).

expected_transform_impl()

template<class Exp , class Func >

constexpr auto stdx::expected_transform_impl ( Exp &&  exp, Func &&  func  )

constexpr

make_unexpected()

template<typename E >

constexpr auto stdx::make_unexpected ( E &&  e ) -> unexpected<std::decay_t<E>>

constexpr

operator!=() [1/4]

template<class T1 , class E1 , class T2 , class E2 >

bool stdx::operator!= ( const expected< T1, E1 > &  a, const expected< T2, E2 > &  b  )

inline

operator!=() [2/4]

template<class T1 , class E1 , class E2 >

bool stdx::operator!= ( const expected< T1, E1 > &  a, const unexpected< E2 > &  b  )

inline

operator!=() [3/4]

template<class E1 , class E2 >

bool stdx::operator!= ( const unexpected< E1 > &  a, const unexpected< E2 > &  b  )

inline

operator!=() [4/4]

template<class T1 , class E1 , class E2 >

bool stdx::operator!=	(	const unexpected< E2 > &	a,
		const expected< T1, E1 > &	b
	)

operator<<() [1/3]

template<class T , class E >

std::enable_if_t< impl::is_to_stream_writable< std::ostream, T >::value && impl::is_to_stream_writable< std::ostream, E >::value, std::ostream & > stdx::operator<< ( std::ostream &  os, const stdx::expected< T, E > &  res  )

inline

write stdx::expected<T, E> to std::ostream.

T and E must be non-void.

only takes part in overload-resolution if T and E support 'os << v'

operator<<() [2/3]

template<class E >

std::enable_if_t< impl::is_to_stream_writable< std::ostream, E >::value, std::ostream & > stdx::operator<< ( std::ostream &  os, const stdx::expected< void, E > &  res  )

inline

write stdx::expected<void, E> to std::ostream.

only takes part in overload-resolution if E supports 'os << v'

operator<<() [3/3]

template<class E >

std::enable_if_t< impl::is_to_stream_writable< std::ostream, E >::value, std::ostream & > stdx::operator<< ( std::ostream &  os, const stdx::unexpected< E > &  res  )

inline

write stdx::unexpected<E> to std::ostream.

only takes part in overload-resolution if E supports 'os << v'

operator==() [1/5]

template<class T1 , class E1 , class T2 , class E2 >

bool stdx::operator== ( const expected< T1, E1 > &  a, const expected< T2, E2 > &  b  )

inline

operator==() [2/5]

template<class T1 , class E1 , class E2 >

bool stdx::operator== ( const expected< T1, E1 > &  a, const unexpected< E2 > &  b  )

inline

operator==() [3/5]

template<class E1 , class E2 >

bool stdx::operator== ( const expected< void, E1 > &  a, const expected< void, E2 > &  b  )

inline

operator==() [4/5]

template<class E1 , class E2 >

bool stdx::operator== ( const unexpected< E1 > &  a, const unexpected< E2 > &  b  )

inline

operator==() [5/5]

template<class T1 , class E1 , class E2 >

bool stdx::operator== ( const unexpected< E2 > &  a, const expected< T1, E1 > &  b  )

inline

popcount()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, int > stdx::popcount ( T  v )

constexprnoexcept

rotl()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, T > stdx::rotl ( T  x, int  s  )

constexprnoexcept

rotr()

template<class T >

constexpr std::enable_if_t< std::is_unsigned< T >::value, T > stdx::rotr ( T  x, int  s  )

constexprnoexcept

span() [1/2]

template<class Container >

stdx::span

(

Container &

)

-> span< typename Container::value_type >

span() [2/2]

template<class Container >

stdx::span

(

Container const &

)

-> span< const typename Container::value_type >

unexpected()

template<class E >

stdx::unexpected

(

E

)

-> unexpected< E >

Variable Documentation

dynamic_extent

constexpr std::size_t stdx::dynamic_extent

inlineconstexpr

Initial value:

=
    std::numeric_limits<std::size_t>::max()

is_flags_v

template<class E >

constexpr bool stdx::is_flags_v = is_flags<E>::value

inlineconstexpr

is_scoped_enum_v

template<class E >

constexpr bool stdx::is_scoped_enum_v = is_scoped_enum<E>::value

inlineconstexpr

unexpect

constexpr unexpect_t stdx::unexpect {}

inlineconstexpr