cv::util::optional< T > Class Template Reference

#include <opencv2/gapi/util/optional.hpp>

Public Member Functions
	optional ()
	optional (const optional &)=default
	optional (T &&value) noexcept
	optional (const T &value) noexcept
	optional (optional &&) noexcept
bool	has_value () const noexcept
	operator bool () const noexcept
T &	operator* ()
const T &	operator* () const
T *	operator-> ()
const T *	operator-> () const
optional &	operator= (const optional &rhs)=default
optional &	operator= (optional &&rhs)
void	reset () noexcept
void	swap (optional &other) noexcept
T &	value ()
const T &	value () const
template<class U >
T	value_or (U &&default_value) const

Constructor & Destructor Documentation

optional() [1/5]

template<typename T>

cv::util::optional< T >::optional ( )

inline

References cv::util::make_optional(), cv::operator*(), and cv::swap().

Here is the call graph for this function:

optional() [2/5]

template<typename T>

cv::util::optional< T >::optional ( const optional< T > &  )

default

optional() [3/5]

template<class T >

cv::util::optional< T >::optional ( T &&  value )

explicitnoexcept

optional() [4/5]

template<class T >

cv::util::optional< T >::optional ( const T &  value )

explicitnoexcept

optional() [5/5]

template<class T >

cv::util::optional< T >::optional ( optional< T > &&  rhs )

noexcept

Member Function Documentation

has_value()

template<class T >

bool cv::util::optional< T >::has_value ( ) const

noexcept

operator bool()

template<class T >

cv::util::optional< T >::operator bool ( ) const

noexcept

operator*() [1/2]

template<class T >

T & cv::util::optional< T >::operator*

(

)

operator*() [2/2]

template<class T >

const T & cv::util::optional< T >::operator*

(

)

const

operator->() [1/2]

template<class T >

T * cv::util::optional< T >::operator->

(

)

operator->() [2/2]

template<class T >

const T * cv::util::optional< T >::operator->

(

)

const

operator=() [1/2]

template<typename T>

optional& cv::util::optional< T >::operator= ( const optional< T > &  rhs )

default

operator=() [2/2]

template<class T >

optional< T > & cv::util::optional< T >::operator=

(

optional< T > &&

rhs

)

reset()

template<class T >

void cv::util::optional< T >::reset ( )

noexcept

swap()

template<class T >

void cv::util::optional< T >::swap ( optional< T > &  other )

noexcept

value() [1/2]

template<class T >

T & cv::util::optional< T >::value

(

)

References cv::util::throw_error().

Here is the call graph for this function:

value() [2/2]

template<class T >

const T & cv::util::optional< T >::value

(

)

const

References cv::util::throw_error().

Here is the call graph for this function:

value_or()

template<class T >

template<class U >

T cv::util::optional< T >::value_or

(

U &&

default_value

)

const

---

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

• opencv2/gapi/util/optional.hpp