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/*
Copyright Barrett Adair 2016-2017
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
*/
#include <boost/callable_traits/class_of.hpp>
#include "test.hpp"
struct foo;
template<typename T>
struct is_substitution_failure_class_of {
template<typename>
static auto test(...) -> std::true_type;
template<typename A,
typename std::remove_reference<
TRAIT(class_of, A)>::type* = nullptr>
static auto test(int) -> std::false_type;
static constexpr bool value = decltype(test<T>(0))::value;
};
int main() {
auto lambda = [](){};
CT_ASSERT(is_substitution_failure_class_of<decltype(lambda)>::value);
CT_ASSERT(is_substitution_failure_class_of<decltype(lambda)&>::value);
CT_ASSERT(is_substitution_failure_class_of<void>::value);
CT_ASSERT(is_substitution_failure_class_of<void*>::value);
CT_ASSERT(is_substitution_failure_class_of<int>::value);
CT_ASSERT(is_substitution_failure_class_of<int &>::value);
CT_ASSERT(is_substitution_failure_class_of<int()>::value);
CT_ASSERT(is_substitution_failure_class_of<int(*)()>::value);
CT_ASSERT(is_substitution_failure_class_of<int(**)()>::value);
CT_ASSERT(is_substitution_failure_class_of<int(&)()>::value);
CT_ASSERT(is_substitution_failure_class_of<int (foo::** const)()>::value);
}
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