self implement for std::optional(C++17 feature). More...

#include <optional.hpp>

Inheritance diagram for lrdb::optional< T >:

Public Member Functions
	optional (nullopt_t)

	optional (const optional &other)

	optional (const T &value)

optional &	operator= (nullopt_t)

optional &	operator= (const optional &other)

optional &	operator= (const T &value)

	operator bool_type () const

T &	value ()

const T &	value () const

template<class U >
T	value_or (const U &default_value) const

const T *	operator-> () const

T *	operator-> ()

const T &	operator* () const

T &	operator* ()

Detailed Description

self implement for std::optional(C++17 feature).

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

/home/docs/checkouts/readthedocs.org/user_builds/cloe/checkouts/latest/engine/vendor/lrdb/include/lrdb/optional.hpp

Public Member Functions