esphome::optional< T > Class Template Reference

#include <optional.h>

Public Types
using	value_type = T

Public Member Functions
	optional ()
	optional (nullopt_t)
	optional (T const &arg)
template<class U >
	optional (optional< U > const &other)
optional &	operator= (nullopt_t)
template<class U >
optional &	operator= (optional< U > const &other)
void	swap (optional &rhs)
value_type const *	operator-> () const
value_type *	operator-> ()
value_type const &	operator* () const
value_type &	operator* ()
	operator safe_bool () const
bool	has_value () const
value_type const &	value () const
value_type &	value ()
template<class U >
value_type	value_or (U const &v) const
void	reset ()

Detailed Description

template<typename T>
class esphome::optional< T >

Definition at line 36 of file optional.h.

Member Typedef Documentation

value_type

template<typename T>

using esphome::optional< T >::value_type = T

Definition at line 41 of file optional.h.

Constructor & Destructor Documentation

optional() [1/4]

template<typename T>

esphome::optional< T >::optional ( )

inline

Definition at line 43 of file optional.h.

optional() [2/4]

template<typename T>

esphome::optional< T >::optional ( nullopt_t  )

inline

Definition at line 45 of file optional.h.

optional() [3/4]

template<typename T>

esphome::optional< T >::optional ( T const &  arg )

inline

Definition at line 47 of file optional.h.

optional() [4/4]

template<typename T>

template<class U >

esphome::optional< T >::optional ( optional< U > const &  other )

inline

Definition at line 49 of file optional.h.

Member Function Documentation

has_value()

template<typename T>

bool esphome::optional< T >::has_value ( ) const

inline

Definition at line 87 of file optional.h.

operator safe_bool()

template<typename T>

esphome::optional< T >::operator safe_bool ( ) const

inline

Definition at line 85 of file optional.h.

operator*() [1/2]

template<typename T>

value_type const& esphome::optional< T >::operator* ( ) const

inline

Definition at line 81 of file optional.h.

operator*() [2/2]

template<typename T>

value_type& esphome::optional< T >::operator* ( )

inline

Definition at line 83 of file optional.h.

operator->() [1/2]

template<typename T>

value_type const* esphome::optional< T >::operator-> ( ) const

inline

Definition at line 77 of file optional.h.

operator->() [2/2]

template<typename T>

value_type* esphome::optional< T >::operator-> ( )

inline

Definition at line 79 of file optional.h.

operator=() [1/2]

template<typename T>

optional& esphome::optional< T >::operator= ( nullopt_t  )

inline

Definition at line 51 of file optional.h.

operator=() [2/2]

template<typename T>

template<class U >

optional& esphome::optional< T >::operator= ( optional< U > const &  other )

inline

Definition at line 56 of file optional.h.

reset()

template<typename T>

void esphome::optional< T >::reset ( )

inline

Definition at line 97 of file optional.h.

swap()

template<typename T>

void esphome::optional< T >::swap ( optional< T > &  rhs )

inline

Definition at line 62 of file optional.h.

value() [1/2]

template<typename T>

value_type const& esphome::optional< T >::value ( ) const

inline

Definition at line 89 of file optional.h.

value() [2/2]

template<typename T>

value_type& esphome::optional< T >::value ( )

inline

Definition at line 91 of file optional.h.

value_or()

template<typename T>

template<class U >

value_type esphome::optional< T >::value_or ( U const &  v ) const

inline

Definition at line 93 of file optional.h.

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

• /opt/build/esphome/esphome/core/optional.h