Surrogate for C++17 std::optional More...

#include <optional.hpp>

Public Member Functions
	optional () noexcept=default
	Constructor.

	optional (const optional &other)
	Copy constructor.

	optional (optional &&other)
	Move constructor.

template<typename U = value_type, typename = typename std::enable_if<!std::is_same<typename std::decay<U>::type, optional<T>>::value>::type>
	optional (U &&value)
	Constructor.

optional &	operator= (const optional &other)
	Copy assignment.

optional &	operator= (optional &&other)
	Move assignment.

template<typename Other >
bool	operator== (const optional< Other > &other) const noexcept
	Comparison.

template<typename Other >
bool	operator!= (const optional< Other > &other) const noexcept
	Comparison.

	~optional ()
	Destructor.

bool	has_value () const noexcept
	Checks whether `*this` contains a value.

	operator bool () const noexcept
	Checks whether `*this` contains a value.

T &	value () &
	Value access.

const T &	value () const &
	Value access.

T &&	value () &&
	Value access.

const T &&	value () const &&
	Value access.

template<typename U >
T	value_or (U &&default_value) const &
	Value or default.

template<typename U >
T	value_or (U &&default_value) &&
	Value or default.

T *	operator-> () noexcept
	Value access.

const T *	operator-> () const noexcept
	Value access.

const T &	operator* () const &
	Value access.

T &	operator* () &
	Value access.

const T &&	operator* () const &&
	Value access.

T &&	operator* () &&
	Value access.

void	reset () noexcept
	Reset.

void	swap (optional &other)
	Swap.

template<typename... Args>
void	emplace (Args &&... args)
	Emplace.

Detailed Description

Surrogate for C++17 std::optional

Definition at line 40 of file optional.hpp.

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

Public Types