39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
|
// 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
|