Files
CMake/Utilities/std/cmext/memory
2019-11-27 16:03:04 +01:00

33 lines
779 B
C++

// -*-c++-*-
// vim: set ft=cpp:
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmext_memory
#define cmext_memory
#include <cm/type_traits>
namespace cm {
template <typename T, typename O,
cm::enable_if_t<
std::is_pointer<cm::invoke_result_t<decltype(&O::get), O>>::value,
int> = 0>
T& static_reference_cast(O& item)
{
return *(static_cast<T*>(item.get()));
}
template <typename T, typename O,
cm::enable_if_t<
std::is_pointer<cm::invoke_result_t<decltype(&O::get), O>>::value,
int> = 0>
T& dynamic_reference_cast(O& item)
{
return *(dynamic_cast<T*>(item.get()));
}
} // namespace cm
#endif