| #ifndef BOOST_SYSTEM_DETAIL_ENABLE_IF_HPP_INCLUDED |
| #define BOOST_SYSTEM_DETAIL_ENABLE_IF_HPP_INCLUDED |
| |
| // Copyright 2020 Peter Dimov |
| // Distributed under the Boost Software License, Version 1.0 |
| // http://www.boost.org/LICENSE_1_0.txt |
| |
| namespace boost |
| { |
| |
| namespace system |
| { |
| |
| namespace detail |
| { |
| |
| template<bool C, class T = void> struct enable_if |
| { |
| typedef T type; |
| }; |
| |
| template<class T> struct enable_if<false, T> |
| { |
| }; |
| |
| } // namespace detail |
| |
| } // namespace system |
| |
| } // namespace boost |
| |
| #endif // #ifndef BOOST_SYSTEM_DETAIL_ENABLE_IF_HPP_INCLUDED |
