cv::util Namespace Reference

Namespaces
namespace	detail

Classes
class	any
class	bad_any_cast
class	bad_optional_access
class	bad_variant_access
struct	copy_through_move_t
struct	monostate
class	optional
struct	static_indexed_visitor
struct	static_visitor
struct	type_list_element
struct	type_list_index
class	variant
struct	variant_size
struct	variant_size< util::variant< Types... > >

Typedefs
template<class T , class U , class V = void>
using	are_different_t = enable_if_t< !std::is_same< decay_t< T >, decay_t< U > >::value, V >
template<typename T >
using	decay_t = typename std::decay< T >::type
template<bool B, class T = void>
using	enable_if_t = typename std::enable_if< B, T >::type

Functions
template<class value_t >
value_t &	any_cast (any &operand)
template<class value_t >
value_t *	any_cast (any *operand)
template<class value_t >
const value_t &	any_cast (const any &operand)
template<class value_t >
const value_t *	any_cast (const any *operand)
template<typename T >
copy_through_move_t< util::decay_t< T > >	copy_through_move (T &&t)
template<typename T , typename... Types>
const T &	get (const util::variant< Types... > &v)
template<std::size_t Index, typename... Types>
const util::type_list_element< Index, Types... >::type &	get (const util::variant< Types... > &v)
template<typename T , typename... Types>
T &	get (util::variant< Types... > &v)
template<std::size_t Index, typename... Types>
util::type_list_element< Index, Types... >::type &	get (util::variant< Types... > &v)
template<typename T , typename... Types>
const T *	get_if (const util::variant< Types... > *v) noexcept
template<typename T , typename... Types>
T *	get_if (util::variant< Types... > *v) noexcept
template<typename T , typename... Types>
bool	holds_alternative (const util::variant< Types... > &v) noexcept
template<class T >
optional< typename std::decay< T >::type >	make_optional (T &&value)
template<typename... Us>
bool	operator!= (const variant< Us... > &lhs, const variant< Us... > &rhs)
bool	operator== (const util::monostate &, const util::monostate &)
template<typename... Us>
bool	operator== (const variant< Us... > &lhs, const variant< Us... > &rhs)
template<typename T >
void	suppress_unused_warning (const T &)
	Utility template function to prevent "unused" warnings by various compilers.
template<class ExceptionType >
void	throw_error (ExceptionType &&e)
template<class value_t >
value_t &	unsafe_any_cast (any &operand)
template<class value_t >
const value_t &	unsafe_any_cast (const any &operand)
template<typename Visitor , typename Variant >
auto	visit (Visitor &&visitor, const Variant &var) -> decltype(visitor(get< 0 >(var)))
template<typename Visitor , typename Variant , typename... VisitorArg>
auto	visit (Visitor &visitor, const Variant &var, VisitorArg &&...args) -> decltype(visitor(get< 0 >(var)))

Typedef Documentation

are_different_t

template<class T , class U , class V = void>

using cv::util::are_different_t = typedef enable_if_t< !std::is_same<decay_t<T>, decay_t<U> >::value, V>

decay_t

template<typename T >

using cv::util::decay_t = typedef typename std::decay<T>::type

enable_if_t

template<bool B, class T = void>

using cv::util::enable_if_t = typedef typename std::enable_if<B,T>::type

Function Documentation

any_cast() [1/4]

template<class value_t >

value_t & cv::util::any_cast

(

any &

operand

)

any_cast() [2/4]

template<class value_t >

value_t * cv::util::any_cast

(

any *

operand

)

any_cast() [3/4]

template<class value_t >

const value_t & cv::util::any_cast

(

const any &

operand

)

any_cast() [4/4]

template<class value_t >

const value_t * cv::util::any_cast

(

const any *

operand

)

copy_through_move()

template<typename T >

copy_through_move_t< util::decay_t< T > > cv::util::copy_through_move

(

T &&

t

)

get() [1/4]

template<typename T , typename... Types>

const T & cv::util::get

(

const util::variant< Types... > &

v

)

get() [2/4]

template<std::size_t Index, typename... Types>

const util::type_list_element< Index, Types... >::type & cv::util::get

(

const util::variant< Types... > &

v

)

get() [3/4]

template<typename T , typename... Types>

T & cv::util::get

(

util::variant< Types... > &

v

)

get() [4/4]

template<std::size_t Index, typename... Types>

util::type_list_element< Index, Types... >::type & cv::util::get

(

util::variant< Types... > &

v

)

get_if() [1/2]

template<typename T , typename... Types>

const T * cv::util::get_if ( const util::variant< Types... > *  v )

noexcept

get_if() [2/2]

template<typename T , typename... Types>

T * cv::util::get_if ( util::variant< Types... > *  v )

noexcept

holds_alternative()

template<typename T , typename... Types>

bool cv::util::holds_alternative ( const util::variant< Types... > &  v )

noexcept

make_optional()

template<class T >

optional< typename std::decay< T >::type > cv::util::make_optional

(

T &&

value

)

operator!=()

template<typename... Us>

bool cv::util::operator!=	(	const variant< Us... > &	lhs,
		const variant< Us... > &	rhs
	)

operator==() [1/2]

bool cv::util::operator== ( const util::monostate &  , const util::monostate &    )

inline

operator==() [2/2]

template<typename... Us>

bool cv::util::operator==	(	const variant< Us... > &	lhs,
		const variant< Us... > &	rhs
	)

suppress_unused_warning()

template<typename T >

void cv::util::suppress_unused_warning

(

const T &

)

Utility template function to prevent "unused" warnings by various compilers.

throw_error()

template<class ExceptionType >

void cv::util::throw_error

(

ExceptionType &&

e

)

unsafe_any_cast() [1/2]

template<class value_t >

value_t & cv::util::unsafe_any_cast ( any &  operand )

inline

unsafe_any_cast() [2/2]

template<class value_t >

const value_t & cv::util::unsafe_any_cast ( const any &  operand )

inline

visit() [1/2]

template<typename Visitor , typename Variant >

auto cv::util::visit	(	Visitor &&	visitor,
		const Variant &	var
	)		-> decltype(visitor(get<0>(var)))

visit() [2/2]

template<typename Visitor , typename Variant , typename... VisitorArg>

auto cv::util::visit	(	Visitor &	visitor,
		const Variant &	var,
		VisitorArg &&...	args
	)		-> decltype(visitor(get<0>(var)))