is_function.hpp

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// SPDX-License-Identifier: BSL-1.0
 
#ifndef TETL_TYPE_TRAITS_IS_FUNCTION_HPP
#define TETL_TYPE_TRAITS_IS_FUNCTION_HPP
 
#include <etl/_config/all.hpp>
 
#include <etl/_type_traits/bool_constant.hpp>
#include <etl/_type_traits/is_const.hpp>
#include <etl/_type_traits/is_reference.hpp>
 
namespace etl {
 
#if defined(TETL_COMPILER_MSVC)
    // Qualifier applied to function has no meaning
    #pragma warning(disable: 4180)
#endif
 
template <typename T>
struct is_function : bool_constant<not is_const_v<T const> and not is_reference_v<T>> { };
 
#if defined(TETL_COMPILER_MSVC)
    // Qualifier applied to function has no meaning
    #pragma warning(default: 4180)
#endif

template <typename T>
inline constexpr bool is_function_v = is_function<T>::value;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_IS_FUNCTION_HPP