Acts::ConstRefHolder< T > Struct Template Reference

Non-owning holder for referencing a backend with const access. More...

#include <Acts/Utilities/Holders.hpp>

Public Types
using	element_type = std::add_const_t<T>
	Element type.

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

Public Attributes
const T *	ptr
	Pointer to the referenced object.

Detailed Description

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

Non-owning holder for referencing a backend with const access.

Template Parameters

T	Backend type.

The referenced backend must outlive the holder.

Constructor & Destructor Documentation

ConstRefHolder() [1/2]

template<typename T>

Acts::ConstRefHolder< T >::ConstRefHolder ( const T * _ptr )

explicit

Constructor from pointer.

Parameters

_ptr	Pointer to the object

ConstRefHolder() [2/2]

template<typename T>

Acts::ConstRefHolder< T >::ConstRefHolder ( const T & ref )

explicit

Constructor from reference.

Parameters

ref	Reference to the object

Member Function Documentation

operator*()

template<typename T>

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

(

)

const

Dereference operator.

Returns

Reference to the object

operator->()

template<typename T>

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

(

)

const

Arrow operator.

Returns

Pointer to the object