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// -*-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. */
#pragma once
#include <typeinfo>
#include <cm/type_traits>
namespace cm {
template <
typename T, typename O,
cm::enable_if_t<std::is_pointer<decltype(std::declval<O>().get())>::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<decltype(std::declval<O>().get())>::value,
int> = 0>
T& dynamic_reference_cast(O& item)
{
auto p = dynamic_cast<T*>(item.get());
if (p == nullptr) {
throw std::bad_cast();
}
return *p;
}
} // namespace cm
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