helper::Optional< ValueType > Class Template Reference

Lightweight implementation of optional. More...

#include <optional.h>

Public Member Functions
	Optional ()=default
	Optional (const ValueType value)
	Optional (const Optional &other)
ValueType &	operator* ()
ValueType	operator* () const
ValueType *	operator-> ()
const ValueType *	operator-> () const
Optional &	operator= (const Optional &value)
Optional &	operator= (const ValueType value)
void	reset ()
bool	has_value () const
ValueType	value () const
	operator bool () const

Private Attributes
bool	is_set_ {false}
ValueType	v_ {}

Detailed Description

template<typename ValueType>
class helper::Optional< ValueType >

Lightweight implementation of optional.

This class was especially created for POD types.

Constructor & Destructor Documentation

Optional() [1/3]

template<typename ValueType >

helper::Optional< ValueType >::Optional ( )

default

Optional() [2/3]

template<typename ValueType >

helper::Optional< ValueType >::Optional ( const ValueType  value )

inline

Optional() [3/3]

template<typename ValueType >

helper::Optional< ValueType >::Optional ( const Optional< ValueType > &  other )

inline

Member Function Documentation

has_value()

template<typename ValueType >

bool helper::Optional< ValueType >::has_value ( ) const

inline

operator bool()

template<typename ValueType >

helper::Optional< ValueType >::operator bool ( ) const

inline

operator*() [1/2]

template<typename ValueType >

ValueType & helper::Optional< ValueType >::operator* ( )

inline

operator*() [2/2]

template<typename ValueType >

ValueType helper::Optional< ValueType >::operator* ( ) const

inline

operator->() [1/2]

template<typename ValueType >

ValueType * helper::Optional< ValueType >::operator-> ( )

inline

operator->() [2/2]

template<typename ValueType >

const ValueType * helper::Optional< ValueType >::operator-> ( ) const

inline

operator=() [1/2]

template<typename ValueType >

Optional & helper::Optional< ValueType >::operator= ( const Optional< ValueType > &  value )

inline

operator=() [2/2]

template<typename ValueType >

Optional & helper::Optional< ValueType >::operator= ( const ValueType  value )

inline

reset()

template<typename ValueType >

void helper::Optional< ValueType >::reset ( )

inline

value()

template<typename ValueType >

ValueType helper::Optional< ValueType >::value ( ) const

inline

Member Data Documentation

is_set_

template<typename ValueType >

bool helper::Optional< ValueType >::is_set_ {false}

private

v_

template<typename ValueType >

ValueType helper::Optional< ValueType >::v_ {}

private

---

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

• router/src/mysql_rest_service/include/helper/optional.h