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/add_varargs.hpp>
16 struct is_substitution_failure_add_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_add_varargs
<decltype(lambda
)>::value
);
34 CT_ASSERT(is_substitution_failure_add_varargs
<decltype(lambda
)&>::value
);
35 CT_ASSERT(is_substitution_failure_add_varargs
<int>::value
);
36 CT_ASSERT(is_substitution_failure_add_varargs
<int &>::value
);
37 CT_ASSERT(is_substitution_failure_add_varargs
<int (* const &)()>::value
);
38 CT_ASSERT(is_substitution_failure_add_varargs
<int (foo::* &)()>::value
);
39 CT_ASSERT(is_substitution_failure_add_varargs
<int (foo::* const)()>::value
);
40 CT_ASSERT(is_substitution_failure_add_varargs
<int (foo::* const &)()>::value
);
41 CT_ASSERT(is_substitution_failure_add_varargs
<int (foo::* volatile)()>::value
);
42 CT_ASSERT(is_substitution_failure_add_varargs
<void>::value
);
43 CT_ASSERT(is_substitution_failure_add_varargs
<void*>::value
);
44 CT_ASSERT(is_substitution_failure_add_varargs
<void(**)()>::value
);