Aleph::Empty_Class Struct Reference

Empty placeholder class with no data members. More...

#include <ahDefs.H>

Inheritance diagram for Aleph::Empty_Class:

Public Member Functions
	Empty_Class ()
	Default constructor.
	Empty_Class (EmptyCtor unused)
	Empty constructor variant.
	Empty_Class (SentinelCtor unused)
	Sentinel constructor variant.
	Empty_Class (const Empty_Class &unused)
	Copy constructor.
Empty_Class &	operator= (const Empty_Class &unused)
	Copy assignment operator.
bool	operator== (const Empty_Class &) const
	Equality comparison (always true).
bool	operator!= (const Empty_Class &) const
	Inequality comparison (always false).

Friends
std::ostream &	operator<< (std::ostream &o, const Empty_Class &)
	Stream output operator (outputs nothing).
std::istream &	operator>> (std::istream &i, const Empty_Class &)
	Stream input operator (reads nothing).

Detailed Description

Empty placeholder class with no data members.

Useful as a default template parameter or placeholder type when no actual data is needed. Provides equality comparison and stream operators for compatibility.

Definition at line 104 of file ahDefs.H.

Constructor & Destructor Documentation

Empty_Class() [1/4]

Aleph::Empty_Class::Empty_Class ( )

inline

Default constructor.

Definition at line 107 of file ahDefs.H.

Empty_Class() [2/4]

Aleph::Empty_Class::Empty_Class ( EmptyCtor  unused )

inline

Empty constructor variant.

Parameters

unused

Tag parameter (not used).

Definition at line 112 of file ahDefs.H.

References Aleph::maps().

Empty_Class() [3/4]

Aleph::Empty_Class::Empty_Class ( SentinelCtor  unused )

inline

Sentinel constructor variant.

Parameters

unused

Tag parameter (not used).

Definition at line 117 of file ahDefs.H.

References Aleph::maps().

Empty_Class() [4/4]

Aleph::Empty_Class::Empty_Class ( const Empty_Class &  unused )

inline

Copy constructor.

Parameters

unused

Source object (not used).

Definition at line 122 of file ahDefs.H.

References Aleph::maps().

Member Function Documentation

operator!=()

bool Aleph::Empty_Class::operator!= ( const Empty_Class &  ) const

inline

Inequality comparison (always false).

Returns

false, since all Empty_Class instances are equal.

Definition at line 138 of file ahDefs.H.

operator=()

Empty_Class & Aleph::Empty_Class::operator= ( const Empty_Class &  unused )

inline

Copy assignment operator.

Parameters

unused

Source object (not used).

Returns

Reference to this object.

Definition at line 128 of file ahDefs.H.

References Aleph::maps().

operator==()

bool Aleph::Empty_Class::operator== ( const Empty_Class &  ) const

inline

Equality comparison (always true).

Returns

true, since all Empty_Class instances are equal.

Definition at line 133 of file ahDefs.H.

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream &  o, const Empty_Class &    )

friend

Stream output operator (outputs nothing).

Parameters

o	Output stream.

Returns

The output stream unchanged.

Definition at line 144 of file ahDefs.H.

operator>>

std::istream & operator>> ( std::istream &  i, const Empty_Class &    )

friend

Stream input operator (reads nothing).

Parameters

i	Input stream.

Returns

The input stream unchanged.

Definition at line 153 of file ahDefs.H.

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

• ahDefs.H