libsigc++ 3.6.0
sigc::limit_reference< T_type, true > Class Template Reference

limit_reference object for a class that derives from trackable. More...

#include <sigc++/limit_reference.h>

Public Types

using reference_type = typename std::remove_volatile_t<T_type>

Public Member Functions

 limit_reference (reference_type & target)
 Constructor.
T_type & invoke () const
 Retrieve the reference.
limit_referenceoperator= (const limit_reference & src)=default
const trackablevisit () const
 Retrieve the entity to visit for visit_each().

Detailed Description

template<typename T_type>
class sigc::limit_reference< T_type, true >

limit_reference object for a class that derives from trackable.

  • T_type The type of the reference.

Member Typedef Documentation

◆ reference_type

template <typename T_type>
using sigc::limit_reference< T_type, true >::reference_type = typename std::remove_volatile_t<T_type>

Constructor & Destructor Documentation

◆ limit_reference()

template <typename T_type>
sigc::limit_reference< T_type, true >::limit_reference ( reference_type & target)
inline

Constructor.

Parameters
targetThe reference to limit.

Member Function Documentation

◆ invoke()

template <typename T_type>
T_type & sigc::limit_reference< T_type, true >::invoke ( ) const
inline

Retrieve the reference.

This is always a reference to the derived instance.

Returns
The reference.

◆ operator=()

limit_reference & sigc::limit_reference< T_type, I_derives_trackable >::operator= ( const limit_reference< T_type, true > & src)
default

◆ visit()

template <typename T_type>
const trackable & sigc::limit_reference< T_type, true >::visit ( ) const
inline

Retrieve the entity to visit for visit_each().

Depending on the template specialization, this is either a derived reference, or sigc::trackable& if T_type derives from sigc::trackable.

Returns
The reference.