2 Copyright Barrett Adair 2016-2017
4 Distributed under the Boost Software License, Version 1.0.
5 (See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
9 #include <boost/callable_traits/remove_varargs.hpp>
16 struct is_substitution_failure_remove_varargs {
19 static auto test(...) -> std::true_type;
22 typename std::remove_reference<
23 TRAIT(add_varargs, A)>::type* = nullptr>
24 static auto test(int) -> std::false_type;
26 static constexpr bool value = decltype(test<T>(0))::value;
33 CT_ASSERT(is_substitution_failure_remove_varargs<decltype(lambda)>::value);
34 CT_ASSERT(is_substitution_failure_remove_varargs<decltype(lambda)&>::value);
35 CT_ASSERT(is_substitution_failure_remove_varargs<int>::value);
36 CT_ASSERT(is_substitution_failure_remove_varargs<int &>::value);
37 CT_ASSERT(is_substitution_failure_remove_varargs<int (* const &)()>::value);
38 CT_ASSERT(is_substitution_failure_remove_varargs<int (foo::* &)()>::value);
39 CT_ASSERT(is_substitution_failure_remove_varargs<int (foo::* const)()>::value);
40 CT_ASSERT(is_substitution_failure_remove_varargs<int (foo::* const &)()>::value);
41 CT_ASSERT(is_substitution_failure_remove_varargs<int (foo::* volatile)()>::value);
42 CT_ASSERT(is_substitution_failure_remove_varargs<void>::value);
43 CT_ASSERT(is_substitution_failure_remove_varargs<void*>::value);
44 CT_ASSERT(is_substitution_failure_remove_varargs<void(**)()>::value);