Optional.h File Reference

Wrapper of type value of which may or may not be present. More...

#include "common/Assert.h"
#include "common/Traits.h"
#include "objects/wrappers/AlignedStorage.h"
#include <type_traits>

Go to the source code of this file.

Classes
struct	NothingType
class	Optional< Type >
	Wrapper of type value of which may or may not be present. More...

Functions
template<typename T1 , typename T2 >
Optional< T1 >	optionalCast (const Optional< T2 > &opt)
template<typename T >
bool	operator== (const Optional< T > &opt, const T &t)
template<typename T >
bool	operator== (const T &t, const Optional< T > &opt)
template<typename T >
bool	operator== (const Optional< T > &opt1, const Optional< T > &opt2)
	Achtung! Even if both optionals are uninitialized, the comparison returns false. More...
template<typename T >
bool	operator== (const Optional< T > &opt, const NothingType &)

Variables
const NothingType	NOTHING

Detailed Description

Wrapper of type value of which may or may not be present.

Author

Pavel Sevecek (sevecek at sirrah.troja.mff.cuni.cz)

Definition in file Optional.h.

Function Documentation

operator==() [1/4]

template<typename T >

bool operator==	(	const Optional< T > &	opt,
		const NothingType &
	)

Definition at line 269 of file Optional.h.

operator==() [2/4]

template<typename T >

bool operator==	(	const Optional< T > &	opt,
		const T &	t
	)

Definition at line 243 of file Optional.h.

operator==() [3/4]

template<typename T >

bool operator==	(	const Optional< T > &	opt1,
		const Optional< T > &	opt2
	)

Achtung! Even if both optionals are uninitialized, the comparison returns false.

Definition at line 260 of file Optional.h.

operator==() [4/4]

template<typename T >

bool operator==	(	const T &	t,
		const Optional< T > &	opt
	)

Definition at line 251 of file Optional.h.

optionalCast()

template<typename T1 , typename T2 >

Optional<T1> optionalCast

(

const Optional< T2 > &

opt

)

Definition at line 235 of file Optional.h.

Variable Documentation

NOTHING

const NothingType NOTHING

Definition at line 16 of file Optional.h.