4 /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
5 file Copyright.txt or https://cmake.org/licensing for details. */
11 #include <cm/type_traits>
16 typename T, typename O,
17 cm::enable_if_t<std::is_pointer<decltype(std::declval<O>().get())>::value,
19 T& static_reference_cast(O& item)
21 return *(static_cast<T*>(item.get()));
25 typename T, typename O,
26 cm::enable_if_t<std::is_pointer<decltype(std::declval<O>().get())>::value,
28 T& dynamic_reference_cast(O& item)
30 auto p = dynamic_cast<T*>(item.get());
33 throw std::bad_cast();