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39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
/*
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* Created by Jozef on 02/12/2018.
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* Copyright 2018 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_META_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_META_HPP_INCLUDED
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#include <type_traits>
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namespace Catch {
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template<typename T>
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struct always_false : std::false_type {};
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template <typename> struct true_given : std::true_type {};
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struct is_callable_tester {
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template <typename Fun, typename... Args>
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true_given<decltype(std::declval<Fun>()(std::declval<Args>()...))> static test(int);
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template <typename...>
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std::false_type static test(...);
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};
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template <typename T>
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struct is_callable;
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template <typename Fun, typename... Args>
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struct is_callable<Fun(Args...)> : decltype(is_callable_tester::test<Fun, Args...>(0)) {};
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} // namespace Catch
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namespace mpl_{
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struct na;
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}
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#endif // TWOBLUECUBES_CATCH_META_HPP_INCLUDED
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