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libsigc++ 2.12.1
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Trait that specifies the return type of any type. More...
#include <sigc++/functors/functor_trait.h>
Public Types | |
| typedef T_functor | functor_type |
| typedef void | result_type |
Trait that specifies the return type of any type.
Template specializations for functors derived from sigc::functor_base, for other functors whose result type can be deduced with decltype(), for function pointers and for class methods are provided.
| T_functor | Functor type. |
| I_derives_functor_base | Whether T_functor inherits from sigc::functor_base. |
| I_can_use_decltype | Whether the result type of T_functor can be deduced with decltype(). |
| T_functor sigc::functor_trait< T_functor, I_derives_functor_base, I_can_use_decltype >::functor_type |
| void sigc::functor_trait< T_functor, I_derives_functor_base, I_can_use_decltype >::result_type |