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Diffstat (limited to 'boost/context/detail/disable_overload.hpp')
| -rw-r--r-- | boost/context/detail/disable_overload.hpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/boost/context/detail/disable_overload.hpp b/boost/context/detail/disable_overload.hpp new file mode 100644 index 0000000000..c88f916e39 --- /dev/null +++ b/boost/context/detail/disable_overload.hpp @@ -0,0 +1,40 @@ + +// Copyright Oliver Kowalke 2014. +// 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_CONTEXT_DETAIL_DISABLE_OVERLOAD_H +#define BOOST_CONTEXT_DETAIL_DISABLE_OVERLOAD_H + +#include <type_traits> + +#include <boost/config.hpp> + +#include <boost/context/detail/config.hpp> + +#ifdef BOOST_HAS_ABI_HEADERS +# include BOOST_ABI_PREFIX +#endif + +namespace boost { +namespace context { +namespace detail { + +// http://ericniebler.com/2013/08/07/universal-references-and-the-copy-constructo/ +template< typename X, typename Y > +using disable_overload = + typename std::enable_if< + ! std::is_base_of< + X, + typename std::decay< Y >::type + >::value + >::type; + +}}} + +#ifdef BOOST_HAS_ABI_HEADERS +#include BOOST_ABI_SUFFIX +#endif + +#endif // BOOST_CONTEXT_DETAIL_DISABLE_OVERLOAD_H |