2020-08-30 11:54:41 +02:00
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// -*-c++-*-
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// vim: set ft=cpp:
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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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2021-09-14 00:13:48 +02:00
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#pragma once
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2020-08-30 11:54:41 +02:00
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#include <typeinfo>
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#include <cm/type_traits>
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namespace cm {
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template <
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typename T, typename O,
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cm::enable_if_t<std::is_pointer<decltype(std::declval<O>().get())>::value,
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int> = 0>
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T& static_reference_cast(O& item)
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{
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return *(static_cast<T*>(item.get()));
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}
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template <
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typename T, typename O,
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cm::enable_if_t<std::is_pointer<decltype(std::declval<O>().get())>::value,
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int> = 0>
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T& dynamic_reference_cast(O& item)
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{
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auto p = dynamic_cast<T*>(item.get());
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if (p == nullptr) {
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throw std::bad_cast();
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}
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return *p;
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}
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} // namespace cm
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