ndn::optional< T > Class Template Reference

#include <backports-optional.hpp>

Inheritance diagram for ndn::optional< T >:

Public Types
typedef T	value_type

Public Member Functions
constexpr	optional () noexcept
constexpr	optional (nullopt_t) noexcept
constexpr	optional (const T &value)
template<typename... Args>
constexpr	optional (in_place_t, Args &&...args)
template<typename... Args>
void	emplace (Args &&...args)
constexpr	operator bool () const noexcept
constexpr const T &	operator* () const
T &	operator* ()
constexpr const T *	operator-> () const
T *	operator-> ()
optional &	operator= (nullopt_t) noexcept
optional &	operator= (const optional &other)
template<typename U , typename = typename std::enable_if<std::is_same<typename std::decay<U>::type, T>::value>::type>
optional &	operator= (U &&value)
void	reset () noexcept
void	swap (optional &other)
const T &	value () const
T &	value ()
template<typename U >
constexpr T	value_or (U &&default_value) const

Friends
bool	operator (const optional< T > &, const optional< T > &)
bool	operator (const optional< T > &, const optional< T > &)
bool	operator!= (const optional< T > &, const optional< T > &)
bool	operator== (const optional< T > &, const optional< T > &)
bool	operator> (const optional< T > &, const optional< T > &)
bool	operator>= (const optional< T > &, const optional< T > &)

Detailed Description

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

Definition at line 93 of file backports-optional.hpp.

Member Typedef Documentation

template<typename T>

typedef T ndn::optional< T >::value_type

Definition at line 154 of file backports-optional.hpp.

Constructor & Destructor Documentation

template<typename T>

constexpr ndn::optional< T >::optional ( )

inlinenoexcept

Definition at line 159 of file backports-optional.hpp.

template<typename T>

constexpr ndn::optional< T >::optional ( nullopt_t  )

inlinenoexcept

Definition at line 164 of file backports-optional.hpp.

template<typename T>

constexpr ndn::optional< T >::optional ( const T &  value )

inline

Definition at line 169 of file backports-optional.hpp.

template<typename T>

template<typename... Args>

constexpr ndn::optional< T >::optional ( in_place_t  , Args &&...  args  )

inlineexplicit

Definition at line 176 of file backports-optional.hpp.

Member Function Documentation

template<typename T>

template<typename... Args>

void ndn::optional< T >::emplace ( Args &&...  args )

inline

Definition at line 280 of file backports-optional.hpp.

template<typename T>

constexpr ndn::optional< T >::operator bool ( ) const

inlineexplicitnoexcept

Definition at line 230 of file backports-optional.hpp.

template<typename T>

constexpr const T& ndn::optional< T >::operator* ( ) const

inline

Definition at line 218 of file backports-optional.hpp.

template<typename T>

T& ndn::optional< T >::operator* ( )

inline

Definition at line 224 of file backports-optional.hpp.

template<typename T>

constexpr const T* ndn::optional< T >::operator-> ( ) const

inline

Definition at line 206 of file backports-optional.hpp.

template<typename T>

T* ndn::optional< T >::operator-> ( )

inline

Definition at line 212 of file backports-optional.hpp.

template<typename T>

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

inlinenoexcept

Definition at line 182 of file backports-optional.hpp.

template<typename T>

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

inline

Definition at line 189 of file backports-optional.hpp.

template<typename T>

template<typename U , typename = typename std::enable_if<std::is_same<typename std::decay<U>::type, T>::value>::type>

optional& ndn::optional< T >::operator= ( U &&  value )

inline

Definition at line 198 of file backports-optional.hpp.

template<typename T>

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

inlinenoexcept

Definition at line 273 of file backports-optional.hpp.

template<typename T>

void ndn::optional< T >::swap ( optional< T > &  other )

inline

Definition at line 267 of file backports-optional.hpp.

template<typename T>

const T& ndn::optional< T >::value ( ) const

inline

Definition at line 236 of file backports-optional.hpp.

template<typename T>

T& ndn::optional< T >::value ( )

inline

Definition at line 242 of file backports-optional.hpp.

template<typename T>

template<typename U >

constexpr T ndn::optional< T >::value_or ( U &&  default_value ) const

inline

Definition at line 256 of file backports-optional.hpp.

Friends And Related Function Documentation

template<typename T>

bool operator ( const optional< T > &  , const optional< T > &    )

friend

template<typename T>

bool operator ( const optional< T > &  , const optional< T > &    )

friend

template<typename T>

bool operator!= ( const optional< T > &  lhs, const optional< T > &  rhs  )

friend

Definition at line 305 of file backports-optional.hpp.

template<typename T>

bool operator== ( const optional< T > &  lhs, const optional< T > &  rhs  )

friend

Definition at line 298 of file backports-optional.hpp.

template<typename T>

bool operator> ( const optional< T > &  lhs, const optional< T > &  rhs  )

friend

Definition at line 326 of file backports-optional.hpp.

template<typename T>

bool operator>= ( const optional< T > &  lhs, const optional< T > &  rhs  )

friend

Definition at line 333 of file backports-optional.hpp.