ROOT::RResult< void > Class Reference

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

Definition at line 263 of file RError.hxx.

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

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

Private Member Functions
	RResult ()=default

Additional Inherited Members
Protected Member Functions inherited from ROOT::RResultBase
	RResultBase ()=default
	RResultBase (RError &&error)
bool	Check ()
	Used by the RResult<T> bool operator.
Protected Attributes inherited from ROOT::RResultBase
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.

#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 270 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

Forward()

RResult & ROOT::RResult< void >::Forward ( 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 280 of file RError.hxx.

operator bool()

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

inlineexplicit

Definition at line 295 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 269 of file RError.hxx.

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 289 of file RError.hxx.