libsigc++: sigc::bind_return_functor< T_return, T_functor > Struct Template Reference

libsigc++ 2.8.0

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sigc::bind_return_functor< T_return, T_functor > Struct Template Reference
Adaptors » bind(), bind_return()

Adaptor that fixes the return value of the wrapped functor. More...

`#include <sigc++/adaptors/bind_return.h>`

Inheritance diagram for sigc::bind_return_functor< T_return, T_functor >:
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## Public Types
typedef unwrap_reference< T_return >::type | result_type
Public Types inherited from sigc::adapts< T_functor >
typedef adaptor_trait< T_functor >::adaptor_type | adaptor_type
typedef adaptor_trait< T_functor >::result_type | result_type

## Public Member Functions
| bind_return_functor (type_trait_take_t< T_functor > _A_functor, type_trait_take_t< T_return > _A_ret_value)
| Constructs a bind_return_functor object that fixes the return value to `_A_ret_value`. More...
unwrap_reference< T_return >::type | operator() ()
| Invokes the wrapped functor dropping its return value. More...
template<class T_arg1 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1)
| Invokes the wrapped functor passing on the arguments. More...
template<class T_arg1 , class T_arg2 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1, T_arg2 _A_a2)
| Invokes the wrapped functor passing on the arguments. More...
template<class T_arg1 , class T_arg2 , class T_arg3 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1, T_arg2 _A_a2, T_arg3 _A_a3)
| Invokes the wrapped functor passing on the arguments. More...
template<class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1, T_arg2 _A_a2, T_arg3 _A_a3, T_arg4 _A_a4)
| Invokes the wrapped functor passing on the arguments. More...
template<class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 , class T_arg5 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1, T_arg2 _A_a2, T_arg3 _A_a3, T_arg4 _A_a4, T_arg5 _A_a5)
| Invokes the wrapped functor passing on the arguments. More...
template<class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 , class T_arg5 , class T_arg6 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1, T_arg2 _A_a2, T_arg3 _A_a3, T_arg4 _A_a4, T_arg5 _A_a5, T_arg6 _A_a6)
| Invokes the wrapped functor passing on the arguments. More...
template<class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 , class T_arg5 , class T_arg6 , class T_arg7 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1, T_arg2 _A_a2, T_arg3 _A_a3, T_arg4 _A_a4, T_arg5 _A_a5, T_arg6 _A_a6, T_arg7 _A_a7)
| Invokes the wrapped functor passing on the arguments. More...
Public Member Functions inherited from sigc::adapts< T_functor >
| adapts (const T_functor& _A_functor)
| Constructs an adaptor that wraps the passed functor. More...

## Public Attributes
bound_argument< T_return > | ret_value_
| The fixed return value. More...
Public Attributes inherited from sigc::adapts< T_functor >
adaptor_type | functor_
| Adaptor that is invoked from operator()(). More...

## Detailed Description

### template<class T_return, class T_functor>
struct sigc::bind_return_functor< T_return, T_functor >

Adaptor that fixes the return value of the wrapped functor.

Use the convenience function sigc::bind_return() to create an instance of sigc::bind_return_functor.

The following template arguments are used:

- T_return Type of the fixed return value.
- T_functor Type of the functor to wrap.

## Member Typedef Documentation

template <class T_return , class T_functor >

typedef unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::result_type

## Constructor & Destructor Documentation

template <class T_return , class T_functor >

sigc::bind_return_functor< T_return, T_functor >::bind_return_functor | ( | type_trait_take_t< T_functor > | _A_functor,
|  | type_trait_take_t< T_return > | _A_ret_value
| ) |  |
| inline

Constructs a bind_return_functor object that fixes the return value to `_A_ret_value`.

Parameters

  _A_functor | Functor to invoke from operator()().
  _A_ret_value | Value to return from operator()().

## Member Function Documentation

template <class T_return , class T_functor >

unwrap_reference< T_return >::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( |  | ) |

Invokes the wrapped functor dropping its return value.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1 | ) |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 , class T_arg2 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1,
|  | T_arg2 | _A_a2
| ) |  |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.
  _A_a2 | Argument to be passed on to the functor.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 , class T_arg2 , class T_arg3 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1,
|  | T_arg2 | _A_a2,
|  | T_arg3 | _A_a3
| ) |  |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.
  _A_a2 | Argument to be passed on to the functor.
  _A_a3 | Argument to be passed on to the functor.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1,
|  | T_arg2 | _A_a2,
|  | T_arg3 | _A_a3,
|  | T_arg4 | _A_a4
| ) |  |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.
  _A_a2 | Argument to be passed on to the functor.
  _A_a3 | Argument to be passed on to the functor.
  _A_a4 | Argument to be passed on to the functor.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 , class T_arg5 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1,
|  | T_arg2 | _A_a2,
|  | T_arg3 | _A_a3,
|  | T_arg4 | _A_a4,
|  | T_arg5 | _A_a5
| ) |  |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.
  _A_a2 | Argument to be passed on to the functor.
  _A_a3 | Argument to be passed on to the functor.
  _A_a4 | Argument to be passed on to the functor.
  _A_a5 | Argument to be passed on to the functor.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 , class T_arg5 , class T_arg6 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1,
|  | T_arg2 | _A_a2,
|  | T_arg3 | _A_a3,
|  | T_arg4 | _A_a4,
|  | T_arg5 | _A_a5,
|  | T_arg6 | _A_a6
| ) |  |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.
  _A_a2 | Argument to be passed on to the functor.
  _A_a3 | Argument to be passed on to the functor.
  _A_a4 | Argument to be passed on to the functor.
  _A_a5 | Argument to be passed on to the functor.
  _A_a6 | Argument to be passed on to the functor.

Returns
  The fixed return value.

template <class T_return , class T_functor >
template <class T_arg1 , class T_arg2 , class T_arg3 , class T_arg4 , class T_arg5 , class T_arg6 , class T_arg7 >

unwrap_reference<T_return>::type sigc::bind_return_functor< T_return, T_functor >::operator() | ( | T_arg1 | _A_a1,
|  | T_arg2 | _A_a2,
|  | T_arg3 | _A_a3,
|  | T_arg4 | _A_a4,
|  | T_arg5 | _A_a5,
|  | T_arg6 | _A_a6,
|  | T_arg7 | _A_a7
| ) |  |
| inline

Invokes the wrapped functor passing on the arguments.

Parameters

  _A_a1 | Argument to be passed on to the functor.
  _A_a2 | Argument to be passed on to the functor.
  _A_a3 | Argument to be passed on to the functor.
  _A_a4 | Argument to be passed on to the functor.
  _A_a5 | Argument to be passed on to the functor.
  _A_a6 | Argument to be passed on to the functor.
  _A_a7 | Argument to be passed on to the functor.

Returns
  The fixed return value.

## Member Data Documentation

template <class T_return , class T_functor >

bound_argument<T_return> sigc::bind_return_functor< T_return, T_functor >::ret_value_

The fixed return value.