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- /*<-
- Copyright (c) 2016 Barrett Adair
- 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/apply_member_pointer.hpp>
- #include "test.hpp"
- struct foo;
- template<typename T, typename U>
- struct is_substitution_failure_apply_member_pointer {
- template<typename, typename>
- static auto test(...) -> std::true_type;
- template<typename A, typename B,
- typename std::remove_reference<
- TRAIT(apply_member_pointer, A, B)>::type* = nullptr>
- static auto test(int) -> std::false_type;
- static constexpr bool value = decltype(test<T, U>(0))::value;
- };
- int main() {
- CT_ASSERT(is_substitution_failure_apply_member_pointer<void, foo>::value);
- CT_ASSERT(is_substitution_failure_apply_member_pointer<int, int>::value);
- CT_ASSERT(is_substitution_failure_apply_member_pointer<void, int>::value);
- }
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