libsigc++ 3.6.0
Public Member Functions | List of all members
sigc::retype_return_functor< T_return, T_functor > Struct Template Reference

Adaptor that performs a C-style cast on the return value of a functor. More...

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

Inheritance diagram for sigc::retype_return_functor< T_return, T_functor >:
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Public Member Functions

 retype_return_functor ()=default
 
 retype_return_functor (type_trait_take_t< T_functor > functor)
 Constructs a retype_return_functor object that perform a C-style cast on the return value of the passed functor.
 
template<typename... T_arg>
T_return operator() (T_arg &&... a)
 
- Public Member Functions inherited from sigc::adapts< T_functor >
 adapts (const T_functor &functor)
 Constructs an adaptor that wraps the passed functor.
 

Additional Inherited Members

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

Detailed Description

template <typename T_return, typename T_functor>
struct sigc::retype_return_functor< T_return, T_functor >

Adaptor that performs a C-style cast on the return value of a functor.

Use the convenience function sigc::retype_return() to create an instance of retype_return_functor.

The following template arguments are used:

Constructor & Destructor Documentation

◆ retype_return_functor() [1/2]

template <typename T_return , typename T_functor >
sigc::retype_return_functor< T_return, T_functor >::retype_return_functor ( )
default

◆ retype_return_functor() [2/2]

template <typename T_return , typename T_functor >
sigc::retype_return_functor< T_return, T_functor >::retype_return_functor ( type_trait_take_t< T_functor >  functor)
inlineexplicit

Constructs a retype_return_functor object that perform a C-style cast on the return value of the passed functor.

Parameters
functorFunctor to invoke from operator()().

Member Function Documentation

◆ operator()()

template <typename T_return , typename T_functor >
template <typename... T_arg>
T_return sigc::retype_return_functor< T_return, T_functor >::operator() ( T_arg &&...  a)
inline