sw::Nullable< ContentType > Class Template Reference

Alexandrescu Expected type for error handling. More...

#include <Nullable.h>

Public Types
typedef ExceptionPtr	ErrorType

Public Member Functions
	Nullable (ContentType &&content)
	Nullable (const ContentType &content)
	Nullable (const ErrorType &error)
	Nullable (const std::string &error)
	Nullable (const Nullable< ContentType > &that)
template<typename ExceptionType >
	Nullable (std::shared_ptr< ExceptionType > error)
bool	IsValid ()
std::string	GetErrorReason ()
ErrorType	GetError ()
bool	operator== (const ContentType &that)
bool	operator!= (const ContentType &that)
Nullable< ContentType > &	operator= (const Nullable< ContentType > &that)
const ContentType &	Get () const
	operator const ContentType & () const
ContentType &	Get ()
	operator ContentType & ()

Static Public Member Functions
static Nullable	FromError (const ErrorType &error)
static Nullable	FromError (const std::string &reason)
static Nullable	FromError ()

Protected Attributes
union {
ContentType   Content
ErrorType   Error
};
bool	m_isValid

Detailed Description

template<typename ContentType>
class sw::Nullable< ContentType >

Alexandrescu Expected type for error handling.

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

• Common/Exceptions/Nullable.h