Singleton< T >

Singleton class. More...

#include <singleton.h>

Collaboration diagram for Singleton< T >:

Public Member Functions
	Singleton (const Singleton &)=delete
	Make the class non construction-copyable and non copyable.
Singleton &	operator= (const Singleton)=delete
	Make the class non copyable.

Static Public Member Functions
static T &	instance ()
	Get the instance object.

Protected Member Functions
	Singleton ()

Detailed Description

template<typename T>
class Singleton< T >

Singleton class.

How to use:

class Foo : public Singleton<Foo> {
 friend class Singleton<Foo>;
public:
 // No need to define a constructor, destructor, copy constructor and assignment operator
 void bar() { ... }
private:
 Foo() {}
};

Template Parameters

T	the class to be singleton

Definition at line 30 of file singleton.h.

Constructor & Destructor Documentation

Singleton() [1/2]

template<typename T >

Singleton< T >::Singleton ( const Singleton< T > &  )

delete

Make the class non construction-copyable and non copyable.

Singleton() [2/2]

template<typename T >

Singleton< T >::Singleton ( )

inlineprotected

Definition at line 49 of file singleton.h.

Member Function Documentation

instance()

template<typename T >

T & Singleton< T >::instance ( )

static

Get the instance object.

Returns

T& The unique instance

Definition at line 53 of file singleton.h.

operator=()

template<typename T >

Singleton & Singleton< T >::operator= ( const Singleton< T >  )

delete

Make the class non copyable.