ROOT::RResult< void > Class Reference

RResult<void> has no data member and no Inspect() method but instead a Success() factory method.

Definition at line 286 of file RError.hxx.

Public Member Functions
	RResult (const RResult &other)=delete
	RResult (RError &&error)
	RResult (RResult &&other)=default
	~RResult ()=default
RResult &	Forward (const RError::RLocation &sourceLocation)
	Used by R__FORWARD_RESULT in order to keep track of the stack trace in case of errors.
std::optional< RError >	GetError () const
	operator bool ()
RResult &	operator= (const RResult &other)=delete
RResult &	operator= (RResult &&other)=default
void	Throw ()
	Throws an RException with fError.
void	ThrowOnError ()
	Short-hand method to throw an exception in the case of errors.

Static Public Member Functions
static RError	ForwardError (const RResultBase &result, const RError::RLocation &sourceLocation)
	Used by R__FORWARD_ERROR in order to keep track of the stack trace.
static RResult	Success ()
	Returns a RResult<void> that captures the successful execution of the function.

Protected Member Functions
bool	Check ()
	Used by the RResult<T> bool operator.

Protected Attributes
std::unique_ptr< RError >	fError
	This is the nullptr for an RResult representing success.
bool	fIsChecked {false}
	Switches to true once the user of an RResult object checks the object status.

Private Member Functions
	RResult ()=default

#include <ROOT/RError.hxx>

Inheritance diagram for ROOT::RResult< void >:

Constructor & Destructor Documentation

RResult() [1/4]

ROOT::RResult< void >::RResult ( )

privatedefault

RResult() [2/4]

ROOT::RResult< void >::RResult ( RError && error )

inline

Definition at line 293 of file RError.hxx.

RResult() [3/4]

ROOT::RResult< void >::RResult ( const RResult< void > & other )

delete

RResult() [4/4]

ROOT::RResult< void >::RResult ( RResult< void > && other )

default

~RResult()

ROOT::RResult< void >::~RResult ( )

default

Member Function Documentation

Check()

bool ROOT::RResultBase::Check ( )

inlineprotectedinherited

Used by the RResult<T> bool operator.

Definition at line 133 of file RError.hxx.

Forward()

RResult & ROOT::RResult< void >::Forward ( const RError::RLocation & sourceLocation )

inline

Used by R__FORWARD_RESULT in order to keep track of the stack trace in case of errors.

Definition at line 303 of file RError.hxx.

ForwardError()

static RError ROOT::RResultBase::ForwardError ( const RResultBase & result, const RError::RLocation & sourceLocation )

inlinestaticinherited

Used by R__FORWARD_ERROR in order to keep track of the stack trace.

Definition at line 153 of file RError.hxx.

GetError()

std::optional< RError > ROOT::RResultBase::GetError ( ) const

inlineinherited

Definition at line 147 of file RError.hxx.

operator bool()

ROOT::RResult< void >::operator bool ( )

inlineexplicit

Definition at line 318 of file RError.hxx.

operator=() [1/2]

RResult & ROOT::RResult< void >::operator= ( const RResult< void > & other )

delete

operator=() [2/2]

RResult & ROOT::RResult< void >::operator= ( RResult< void > && other )

default

Success()

static RResult ROOT::RResult< void >::Success ( )

inlinestatic

Returns a RResult<void> that captures the successful execution of the function.

Definition at line 292 of file RError.hxx.

Throw()

void ROOT::RResultBase::Throw ( )

inherited

Throws an RException with fError.

Definition at line 61 of file RError.cxx.

ThrowOnError()

void ROOT::RResult< void >::ThrowOnError ( )

inline

Short-hand method to throw an exception in the case of errors.

Does nothing for successful RResults.

Definition at line 312 of file RError.hxx.

Member Data Documentation

fError

std::unique_ptr<RError> ROOT::RResultBase::fError

protectedinherited

This is the nullptr for an RResult representing success.

Definition at line 125 of file RError.hxx.

fIsChecked

bool ROOT::RResultBase::fIsChecked {false}

protectedinherited

Switches to true once the user of an RResult object checks the object status.

Definition at line 127 of file RError.hxx.