ref_ptr< T > Struct Template Reference

Classes
struct	content

Public Member Functions
	ref_ptr ()
	ref_ptr (T const &t)
	ref_ptr (ref_ptr const &p)
	~ref_ptr ()
ref_ptr &	operator= (ref_ptr const &p)
T &	operator* () const
T *	operator-> () const

Public Attributes
content *	ptr

Detailed Description

template<class T>
struct ref_ptr< T >

Reference-counted shared object.

Note

The default constructor delays the creation of the object until it is first dereferenced.

Definition at line 399 of file remake.cpp.

Constructor & Destructor Documentation

template<class T>

ref_ptr< T >::ref_ptr ( )

inline

Definition at line 409 of file remake.cpp.

: ptr(NULL) {}

template<class T>

ref_ptr< T >::ref_ptr ( T const &  t )

inline

Definition at line 410 of file remake.cpp.

: ptr(new content(t)) {}

template<class T>

ref_ptr< T >::ref_ptr ( ref_ptr< T > const &  p )

inline

Definition at line 411 of file remake.cpp.

: ptr(p.ptr) { if (ptr) ++ptr->cnt; }

template<class T>

ref_ptr< T >::~ref_ptr ( )

inline

Definition at line 412 of file remake.cpp.

{ if (ptr && --ptr->cnt == 0) delete ptr; }

Member Function Documentation

template<class T>

T& ref_ptr< T >::operator* ( ) const

inline

Definition at line 421 of file remake.cpp.

        {
                if (!ptr) ptr = new content;
                return ptr->val;
        }

template<class T>

T* ref_ptr< T >::operator-> ( ) const

inline

Definition at line 426 of file remake.cpp.

{ return &**this; }

template<class T>

ref_ptr& ref_ptr< T >::operator= ( ref_ptr< T > const &  p )

inline

Definition at line 413 of file remake.cpp.

        {
                if (ptr == p.ptr) return *this;
                if (ptr && --ptr->cnt == 0) delete ptr;
                ptr = p.ptr;
                if (ptr) ++ptr->cnt;
                return *this;
        }

Member Data Documentation

template<class T>

content* ref_ptr< T >::ptr

mutable

Definition at line 408 of file remake.cpp.

Referenced by ref_ptr< T >::operator*(), ref_ptr< T >::operator=(), ref_ptr< T >::ref_ptr(), and ref_ptr< T >::~ref_ptr().

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

• remake.cpp