/usr/include/boost/python/detail/convertible.hpp is in libboost1.46-dev 1.46.1-7ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | // Copyright David Abrahams 2002.
// 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 CONVERTIBLE_DWA2002614_HPP
# define CONVERTIBLE_DWA2002614_HPP
# if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241
# include <boost/mpl/if.hpp>
# include <boost/type_traits/conversion_traits.hpp>
# endif
// Supplies a runtime is_convertible check which can be used with tag
// dispatching to work around the Metrowerks Pro7 limitation with boost::is_convertible
namespace boost { namespace python { namespace detail {
typedef char* yes_convertible;
typedef int* no_convertible;
template <class Target>
struct convertible
{
# if !defined(__EDG_VERSION__) || __EDG_VERSION__ > 241 || __EDG_VERSION__ == 238
static inline no_convertible check(...) { return 0; }
static inline yes_convertible check(Target) { return 0; }
# else
template <class X>
static inline typename mpl::if_c<
is_convertible<X,Target>::value
, yes_convertible
, no_convertible
>::type check(X const&) { return 0; }
# endif
};
}}} // namespace boost::python::detail
#endif // CONVERTIBLE_DWA2002614_HPP
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