agora::Optional< T > 模板类 参考

构造及析构函数说明

Optional() [1/7]

template<typename T >

CONSTEXPR agora::Optional< T >::Optional ( )

Optional() [2/7]

template<typename T >

CONSTEXPR agora::Optional< T >::Optional ( const Optional< T > &  other )

Optional() [3/7]

template<typename T >

CONSTEXPR agora::Optional< T >::Optional ( nullopt_t  )

Optional() [4/7]

template<typename T >

template<typename U >

agora::Optional< T >::Optional ( const Optional< U > &  other )

Optional() [5/7]

template<typename T >

CONSTEXPR agora::Optional< T >::Optional ( in_place_t  , const T &  _value  )

Optional() [6/7]

template<typename T >

template<class U >

CONSTEXPR agora::Optional< T >::Optional ( in_place_t  , const U  il[], const T &  _value  )

Optional() [7/7]

template<typename T >

template<typename U >

CONSTEXPR agora::Optional< T >::Optional ( const U &  value )

~Optional()

template<typename T >

agora::Optional< T >::~Optional ( )

成员函数说明

emplace() [1/2]

template<typename T >

T & agora::Optional< T >::emplace ( const T &  _value )

emplace() [2/2]

template<typename T >

template<class U >

T & agora::Optional< T >::emplace ( const U  il[], const T &  _value  )

has_value()

template<typename T >

CONSTEXPR bool agora::Optional< T >::has_value ( ) const

operator bool()

template<typename T >

CONSTEXPR agora::Optional< T >::operator bool ( ) const

operator*() [1/2]

template<typename T >

T & agora::Optional< T >::operator* ( )

operator*() [2/2]

template<typename T >

const T & agora::Optional< T >::operator* ( ) const

operator->() [1/2]

template<typename T >

T * agora::Optional< T >::operator-> ( )

operator->() [2/2]

template<typename T >

const T * agora::Optional< T >::operator-> ( ) const

operator=() [1/4]

template<typename T >

Optional & agora::Optional< T >::operator= ( const Optional< T > &  other )

operator=() [2/4]

template<typename T >

template<typename U >

Optional & agora::Optional< T >::operator= ( const Optional< U > &  other )

operator=() [3/4]

template<typename T >

template<typename U >

Optional & agora::Optional< T >::operator= ( const U &  value )

operator=() [4/4]

template<typename T >

Optional & agora::Optional< T >::operator= ( nullopt_t  )

reset()

template<typename T >

void agora::Optional< T >::reset ( )

swap()

template<typename T >

void agora::Optional< T >::swap ( Optional< T > &  other )

value()

template<typename T >

const T & agora::Optional< T >::value ( ) const

value_or()

template<typename T >

template<class U >

CONSTEXPR T agora::Optional< T >::value_or ( const U &  default_value ) const