is_invocable_r.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_TYPE_TRAITS_IS_INVOCABLE_R_HPP
#define TETL_TYPE_TRAITS_IS_INVOCABLE_R_HPP
 
#include <etl/_type_traits/invoke_result.hpp>
#include <etl/_type_traits/is_invocable.hpp>
 
namespace etl {
 
template <typename R, typename Fn, typename... ArgTypes>
struct is_invocable_r : detail::is_invocable_impl<invoke_result<Fn, ArgTypes...>, R>::type { };
 
template <typename R, typename Fn, typename... ArgTypes>
inline constexpr auto is_invocable_r_v = is_invocable_r<R, Fn, ArgTypes...>::value;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_IS_INVOCABLE_R_HPP