optional.hpp File Reference

#include <cassert>
#include <stdexcept>

Go to the source code of this file.

Classes
class	BadOptionalAccess
	Optional access error for empty values. More...
struct	nullopt_t
	Type for nullopt. More...
struct	nullopt_t::init
class	Optional< T >
	Simplistic optional: requires T to be default constructible, copyable. More...

Namespaces
	genesis
	Container namespace for all symbols of genesis in order to keep them separate when used as a library.
	genesis::utils

Macros
#define	GENESIS_OPTIONAL_CPLUSPLUS   __cplusplus
#define	GENESIS_OPTIONAL_HAVE_STD_OPTIONAL   0
#define	GENESIS_OPTIONAL_USES_STD_OPTIONAL   GENESIS_OPTIONAL_HAVE_STD_OPTIONAL

Functions
template<typename T >
Optional< T >	make_optional (T const &v)
	Convenience function to create an Optional. More...
template<typename T >
bool	operator!= (nullopt_t, Optional< T > const &x)
template<typename T >
bool	operator!= (Optional< T > const &x, nullopt_t)
template<typename T , typename U >
bool	operator!= (Optional< T > const &x, Optional< U > const &y)
template<typename T , typename U >
bool	operator!= (Optional< T > const &x, U const &v)
template<typename T , typename U >
bool	operator!= (U const &v, Optional< T > const &x)
template<typename T >
bool	operator< (nullopt_t, Optional< T > const &x)
template<typename T >
bool	operator< (Optional< T > const &, nullopt_t)
template<typename T , typename U >
bool	operator< (Optional< T > const &x, Optional< U > const &y)
template<typename T , typename U >
bool	operator< (Optional< T > const &x, U const &v)
template<typename T , typename U >
bool	operator< (U const &v, Optional< T > const &x)
template<typename T >
bool	operator<= (nullopt_t, Optional< T > const &)
template<typename T >
bool	operator<= (Optional< T > const &x, nullopt_t)
template<typename T , typename U >
bool	operator<= (Optional< T > const &x, Optional< U > const &y)
template<typename T , typename U >
bool	operator<= (Optional< T > const &x, U const &v)
template<typename T , typename U >
bool	operator<= (U const &v, Optional< T > const &x)
template<typename T >
bool	operator== (nullopt_t, Optional< T > const &x)
template<typename T >
bool	operator== (Optional< T > const &x, nullopt_t)
template<typename T , typename U >
bool	operator== (Optional< T > const &x, Optional< U > const &y)
template<typename T , typename U >
bool	operator== (Optional< T > const &x, U const &v)
template<typename T , typename U >
bool	operator== (U const &v, Optional< T > const &x)
template<typename T >
bool	operator> (nullopt_t, Optional< T > const &)
template<typename T >
bool	operator> (Optional< T > const &x, nullopt_t)
template<typename T , typename U >
bool	operator> (Optional< T > const &x, Optional< U > const &y)
template<typename T , typename U >
bool	operator> (Optional< T > const &x, U const &v)
template<typename T , typename U >
bool	operator> (U const &v, Optional< T > const &x)
template<typename T >
bool	operator>= (nullopt_t, Optional< T > const &x)
template<typename T >
bool	operator>= (Optional< T > const &, nullopt_t)
template<typename T , typename U >
bool	operator>= (Optional< T > const &x, Optional< U > const &y)
template<typename T , typename U >
bool	operator>= (Optional< T > const &x, U const &v)
template<typename T , typename U >
bool	operator>= (U const &v, Optional< T > const &x)
template<typename T >
void	swap (Optional< T > &x, Optional< T > &y)

Variables
const nullopt_t	nullopt ((nullopt_t::init()))
	Optional to indicate an empty value. More...

Macro Definition Documentation

GENESIS_OPTIONAL_CPLUSPLUS

#define GENESIS_OPTIONAL_CPLUSPLUS   __cplusplus

Definition at line 77 of file optional.hpp.

GENESIS_OPTIONAL_HAVE_STD_OPTIONAL

#define GENESIS_OPTIONAL_HAVE_STD_OPTIONAL   0

Definition at line 89 of file optional.hpp.

GENESIS_OPTIONAL_USES_STD_OPTIONAL

#define GENESIS_OPTIONAL_USES_STD_OPTIONAL   GENESIS_OPTIONAL_HAVE_STD_OPTIONAL

Definition at line 95 of file optional.hpp.