HoldFlag objects are used to temporarily change the value of an object, restoring the original value when the HoldFlag object is destructed. More...

#include <HoldFlag.h>

Public Member Functions
	HoldFlag (T &newFlag, const T &holdFlag)
	Constructor setting a temporary value for the given object.

	HoldFlag (T &newFlag, const T &holdFlag, const T &finalFlag)
	Constructor setting the a temporary value for the given object.

	~HoldFlag ()
	Destructor.

Private Member Functions
	HoldFlag ()
	Default constructor is private and not implemented.

	HoldFlag (const HoldFlag &)
	Copy constructor is private and not implemented.

HoldFlag &	operator= (const HoldFlag &)=delete
	Assignment is private and not implemented.

Private Attributes
T &	theFlag
	The object to be changed.

T	oldFlag
	The value which will be restored when this is destroyed.

Detailed Description

template<typename T = bool>
class ThePEG::HoldFlag< T >

HoldFlag objects are used to temporarily change the value of an object, restoring the original value when the HoldFlag object is destructed.

See also: Level

Definition at line 23 of file HoldFlag.h.

Constructor & Destructor Documentation

◆ HoldFlag() [1/2]

template<typename T = bool>

ThePEG::HoldFlag< T >::HoldFlag	(	T &	newFlag,
		const T &	holdFlag
	)

inline

Constructor setting a temporary value for the given object.

Parameters

newFlag	the object which value is temporarily changed.
holdFlag	the temporary value for the newFlag object.

Definition at line 32 of file HoldFlag.h.

References ThePEG::HoldFlag< T >::oldFlag, std::swap(), and ThePEG::HoldFlag< T >::theFlag.

◆ HoldFlag() [2/2]

template<typename T = bool>

ThePEG::HoldFlag< T >::HoldFlag	(	T &	newFlag,
		const T &	holdFlag,
		const T &	finalFlag
	)

inline

Constructor setting the a temporary value for the given object.

Parameters

newFlag	the object which value is temporarily changed.
holdFlag	the temporary value for the newFlag object.
finalFlag	the newFlag object will be given the value finalFlag when the HoldFlag object is destroyed.

Definition at line 42 of file HoldFlag.h.

References ThePEG::HoldFlag< T >::oldFlag, std::swap(), and ThePEG::HoldFlag< T >::theFlag.