libsigc++: sigc::track_obj_functor< T_functor, T_obj > Class Template Reference

track_obj_functor wraps a functor and stores a reference to a trackable object. More...

#include <sigc++/adaptors/track_obj.h>

Inheritance diagram for sigc::track_obj_functor< T_functor, T_obj >:

Public Member Functions

 track_obj_functor (const T_functor& func, const T_obj&...obj)
 Constructs a track_obj_functor object that wraps the passed functor and stores a reference to the passed trackable objects. More...

 
template<typename... T_arg>
decltype(auto) operator() (T_arg&&...arg)
 Invokes the wrapped functor passing on the arguments. More...

 
- Public Member Functions inherited from sigc::adapts< T_functor >
 adapts (const T_functor& functor)
 Constructs an adaptor that wraps the passed functor. More...

 

Additional Inherited Members

- Public Attributes inherited from sigc::adapts< T_functor >
adaptor_type functor_
 Adaptor that is invoked from operator()(). More...

 

Detailed Description

template<typename T_functor, typename... T_obj>

class sigc::track_obj_functor< T_functor, T_obj >

track_obj_functor wraps a functor and stores a reference to a trackable object.

Use the convenience function track_obj() to create an instance of track_obj_functor.

Template Parameters
T_functorThe type of functor to wrap.
T_objThe types of the trackable objects.
Since libsigc++ 2.4:

Constructor & Destructor Documentation

template <typename T_functor , typename... T_obj>
sigc::track_obj_functor< T_functor, T_obj >::track_obj_functor ( const T_functor &  func,
const T_obj &...  obj 
)
inlineexplicit

Constructs a track_obj_functor object that wraps the passed functor and stores a reference to the passed trackable objects.

Parameters
funcFunctor.
objTrackable objects.

Member Function Documentation

template <typename T_functor , typename... T_obj>
template <typename... T_arg>
decltype(auto) sigc::track_obj_functor< T_functor, T_obj >::operator() ( T_arg &&...  arg)
inline

Invokes the wrapped functor passing on the arguments.

Parameters
argArguments to be passed on to the functor.
Returns
The return value of the functor invocation.