libsigc++  2.99.13
Public Member Functions | List of all members
sigc::hide_functor< I_location, T_functor > Struct Template Reference

Adaptor that adds a dummy parameter to the wrapped functor. More...

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

Inheritance diagram for sigc::hide_functor< I_location, T_functor >:
Inheritance graph
[legend]

Public Member Functions

 hide_functor (const T_functor& func)
 Constructs a hide_functor object that adds a dummy parameter to the passed functor. More...
 
template<typename... T_arg>
decltype(auto) operator() (T_arg&&...a)
 Invokes the wrapped functor, ignoring the argument at index I_location (0-indexed). 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<int I_location, typename T_functor>
struct sigc::hide_functor< I_location, T_functor >

Adaptor that adds a dummy parameter to the wrapped functor.

Use the convenience function sigc::hide() to create an instance of sigc::hide_functor.

The following template arguments are used:

Constructor & Destructor Documentation

template <int I_location, typename T_functor >
sigc::hide_functor< I_location, T_functor >::hide_functor ( const T_functor &  func)
inlineexplicit

Constructs a hide_functor object that adds a dummy parameter to the passed functor.

Parameters
funcFunctor to invoke from operator()().

Member Function Documentation

template <int I_location, typename T_functor >
template <typename... T_arg>
decltype(auto) sigc::hide_functor< I_location, T_functor >::operator() ( T_arg &&...  a)
inline

Invokes the wrapped functor, ignoring the argument at index I_location (0-indexed).

Parameters
aArguments to be passed on to the functor, apart from the ignored argument.
Returns
The return value of the functor invocation.