caf::optional< T & > Class Template Reference

Template specialization to allow optional to hold a reference rather than an actual value with minimal overhead. More...

#include <optional.hpp>

Public Types
using	type = T

Public Member Functions
	optional (const none_t &=none)
	optional (T &x)
	optional (T *x)
	optional (const optional &other)=default
optional &	operator= (const optional &other)=default
	operator bool () const
bool	operator! () const
T &	operator* ()
const T &	operator* () const
T *	operator-> ()
const T *	operator-> () const
T &	value ()
const T &	value () const
const T &	value_or (const T &default_value) const

Related Symbols
(Note that these are not member symbols.)
std::string	to_string (const optional< T > &x)
T &&	move_if_optional (optional< T > &x)
	Returns an rvalue to the value managed by x.
T &	move_if_optional (T *x)
	Returns *x.
bool	operator== (const optional< T > &lhs, const optional< T > &rhs)
bool	operator!= (const optional< T > &lhs, const optional< T > &rhs)
bool	operator< (const optional< T > &lhs, const optional< T > &rhs)
bool	operator<= (const optional< T > &lhs, const optional< T > &rhs)
bool	operator>= (const optional< T > &lhs, const optional< T > &rhs)
bool	operator> (const optional< T > &lhs, const optional< T > &rhs)
bool	operator== (const optional< T > &lhs, none_t)
bool	operator== (none_t, const optional< T > &rhs)
bool	operator!= (const optional< T > &lhs, none_t)
bool	operator!= (none_t, const optional< T > &rhs)
bool	operator< (const optional< T > &, none_t)
bool	operator< (none_t, const optional< T > &rhs)
bool	operator<= (const optional< T > &lhs, none_t)
bool	operator<= (none_t, const optional< T > &)
bool	operator> (const optional< T > &lhs, none_t)
bool	operator> (none_t, const optional< T > &)
bool	operator>= (const optional< T > &, none_t)
bool	operator>= (none_t, const optional< T > &)
bool	operator== (const optional< T > &lhs, const T &rhs)
bool	operator== (const T &lhs, const optional< T > &rhs)
bool	operator!= (const optional< T > &lhs, const T &rhs)
bool	operator!= (const T &lhs, const optional< T > &rhs)
bool	operator< (const optional< T > &lhs, const T &rhs)
bool	operator< (const T &lhs, const optional< T > &rhs)
bool	operator<= (const optional< T > &lhs, const T &rhs)
bool	operator<= (const T &lhs, const optional< T > &rhs)
bool	operator> (const optional< T > &lhs, const T &rhs)
bool	operator> (const T &lhs, const optional< T > &rhs)
bool	operator>= (const optional< T > &lhs, const T &rhs)
bool	operator>= (const T &lhs, const optional< T > &rhs)

Detailed Description

template<class T>
class caf::optional< T & >

Template specialization to allow optional to hold a reference rather than an actual value with minimal overhead.

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

• /build/actor-framework-Z9pIPl/actor-framework-0.17.6/libcaf_core/caf/optional.hpp