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Editing: is_detected_exact.hpp
/* Copyright 2017-2018 Glen Joseph Fernandes (glenjofe@gmail.com) Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) */ #ifndef BOOST_TT_IS_DETECTED_EXACT_HPP_INCLUDED #define BOOST_TT_IS_DETECTED_EXACT_HPP_INCLUDED #include <boost/type_traits/detected.hpp> #include <boost/type_traits/is_same.hpp> namespace boost { template<class Expected, template<class...> class Op, class... Args> using is_detected_exact = is_same<Expected, detected_t<Op, Args...> >; #if !defined(BOOST_NO_CXX14_VARIABLE_TEMPLATES) template<class Expected, template<class...> class Op, class... Args> constexpr bool is_detected_exact_v = is_detected_exact<Expected, Op, Args...>::value; #endif } /* boost */ #endif
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