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sangelovic
2019-02-04 22:31:09 +01:00
parent 9292f293ec
commit d2d1a2ddbc
7 changed files with 291 additions and 316 deletions
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20
include/sdbus-c++/TypeTraits.h
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@@ -570,6 +570,26 @@ namespace sdbus {
, std::forward<_Tuple>(t)
, std::make_index_sequence<std::tuple_size<std::decay_t<_Tuple>>::value>{} );
}
// Invoke a member function (custom version of C++17's invoke until we have full C++17 support)
template< typename _Function
, typename... _Args
, std::enable_if_t<std::is_member_pointer<std::decay_t<_Function>>{}, int> = 0 >
constexpr decltype(auto) invoke(_Function&& f, _Args&&... args)
noexcept(noexcept(std::mem_fn(f)(std::forward<_Args>(args)...)))
{
return std::mem_fn(f)(std::forward<_Args>(args)...);
}
// Invoke non-member function (custom version of C++17's invoke until we have full C++17 support)
template< typename _Function
, typename... _Args
, std::enable_if_t<!std::is_member_pointer<std::decay_t<_Function>>{}, int> = 0 >
constexpr decltype(auto) invoke(_Function&& f, _Args&&... args)
noexcept(noexcept(std::forward<_Function>(f)(std::forward<_Args>(args)...)))
{
return std::forward<_Function>(f)(std::forward<_Args>(args)...);
}
}
#endif /* SDBUS_CXX_TYPETRAITS_H_ */