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# sigc::bind_return_functor< T_return, T_functor > Struct Template Reference
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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List of all members.

## Public Types
typedef unwrap_reference < T_return >::type | result_type
## Public Member Functions
unwrap_reference< T_return >::type | operator() ()
| Invokes the wrapped functor dropping its return value.
template<class T_arg1 >
unwrap_reference< T_return >::type | operator() (T_arg1 _A_a1)
| Invokes the wrapped functor passing on the arguments.,.
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.,.
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.,.
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.,.
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.,.
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.,.
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.,.
| bind_return_functor (typename type_trait< T_functor >::take _A_functor, typename type_trait< T_return >::take _A_ret_value)
| Constructs a bind_return_functor object that fixes the return value to `_A_ret_value`.
## Public Attributes
bound_argument< T_return > | ret_value_
| The fixed return value.

## 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.

## Constructor & Destructor Documentation

template <class T_return , class T_functor >

sigc::bind_return_functor< T_return, T_functor >::bind_return_functor | ( | typename type_trait< T_functor >::take | _A_functor,
|  | typename type_trait< T_return >::take | _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 , 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_arg%1 | 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_arg%1 | 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_arg%1 | 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_arg%1 | 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_arg%1 | 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_arg%1 | Argument to be passed on to the functor.)

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_arg%1 | Argument to be passed on to the functor.)

Returns:
  The fixed return value.