libsigc++ 2.12.0
Public Types | Public Member Functions | Protected Attributes | List of all members
sigc::pointer_functor0< T_return > Class Template Reference

pointer_functor0 wraps existing non-member functions with 0 argument(s). More...

#include <sigc++/functors/ptr_fun.h>

Inheritance diagram for sigc::pointer_functor0< T_return >:
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Public Types

typedef T_return result_type
 

Public Member Functions

 pointer_functor0 ()
 Constructs an invalid functor. More...
 
 pointer_functor0 (function_type _A_func)
 Constructs a pointer_functor0 object that wraps an existing function. More...
 
T_return operator() () const
 Execute the wrapped function. More...
 

Protected Attributes

function_type func_ptr_
 

Detailed Description

template <class T_return>
class sigc::pointer_functor0< T_return >

pointer_functor0 wraps existing non-member functions with 0 argument(s).

Use the convenience function ptr_fun() to create an instance of pointer_functor0.

The following template arguments are used:

Member Typedef Documentation

◆ result_type

template <class T_return >
typedef T_return sigc::pointer_functor0< T_return >::result_type

Constructor & Destructor Documentation

◆ pointer_functor0() [1/2]

template <class T_return >
sigc::pointer_functor0< T_return >::pointer_functor0 ( )
inline

Constructs an invalid functor.

◆ pointer_functor0() [2/2]

template <class T_return >
sigc::pointer_functor0< T_return >::pointer_functor0 ( function_type  _A_func)
inlineexplicit

Constructs a pointer_functor0 object that wraps an existing function.

Parameters
_A_funcPointer to function that will be invoked from operator()().

Member Function Documentation

◆ operator()()

template <class T_return >
T_return sigc::pointer_functor0< T_return >::operator() ( ) const
inline

Execute the wrapped function.

Returns
The return value of the function invocation.

Member Data Documentation

◆ func_ptr_

template <class T_return >
function_type sigc::pointer_functor0< T_return >::func_ptr_
protected