Acts::RefHolder< T > Struct Template Reference

Non-owning holder for referencing a backend. More...

#include <Acts/Utilities/Holders.hpp>

Inheritance diagram for Acts::RefHolder< T >:

Public Types
using	element_type = T
	Element type.

Public Member Functions
	RefHolder (T &ref)
	Constructor from reference.
	RefHolder (T *_ptr)
	Constructor from pointer.
	operator bool () const
	Bool conversion operator.
T &	operator* ()
	Dereference operator.
const T &	operator* () const
	Dereference operator.
T *	operator-> ()
	Arrow operator.
const T *	operator-> () const
	Arrow operator.

Public Attributes
T *	ptr
	Pointer to the referenced object.

Detailed Description

template<typename T>
struct Acts::RefHolder< T >

Non-owning holder for referencing a backend.

Template Parameters

T	Backend type.

The referenced backend must outlive the holder.

Constructor & Destructor Documentation

RefHolder() [1/2]

template<typename T>

Acts::RefHolder< T >::RefHolder ( T * _ptr )

explicit

Constructor from pointer.

Parameters

_ptr	Pointer to the object

RefHolder() [2/2]

template<typename T>

Acts::RefHolder< T >::RefHolder ( T & ref )

explicit

Constructor from reference.

Parameters

ref	Reference to the object

Member Function Documentation

operator*() [1/2]

template<typename T>

T & Acts::RefHolder< T >::operator*

(

)

Dereference operator.

Returns

Reference to the object

operator*() [2/2]

template<typename T>

const T & Acts::RefHolder< T >::operator*

(

)

const

Dereference operator.

Returns

Const reference to the object

operator->() [1/2]

template<typename T>

T * Acts::RefHolder< T >::operator->

(

)

Arrow operator.

Returns

Pointer to the object

operator->() [2/2]

template<typename T>

const T * Acts::RefHolder< T >::operator->

(

)

const

Arrow operator.

Returns

Const pointer to the object