Acts::ValueHolder< T > Struct Template Reference

Owning holder that stores a backend by value. More...

#include <Acts/Utilities/Holders.hpp>

Public Types
using	element_type = T
	Element type.

Public Member Functions
	ValueHolder (T &&_val)
	Constructor from rvalue.
	ValueHolder (T &_val)=delete
	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	val
	Stored value.

Detailed Description

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

Owning holder that stores a backend by value.

Template Parameters

T	Backend type.

The backend is moved into the holder and owned for its lifetime.

Constructor & Destructor Documentation

ValueHolder()

template<typename T>

Acts::ValueHolder< T >::ValueHolder

(

T &&

_val

)

Constructor from rvalue.

Parameters

_val	Value to move into the holder

Member Function Documentation

operator*() [1/2]

template<typename T>

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

(

)

Dereference operator.

Returns

Reference to the value

operator*() [2/2]

template<typename T>

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

(

)

const

Dereference operator.

Returns

Const reference to the value

operator->() [1/2]

template<typename T>

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

(

)

Arrow operator.

Returns

Pointer to the value

operator->() [2/2]

template<typename T>

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

(

)

const

Arrow operator.

Returns

Const pointer to the value