python/include/boost/python/detail/void_return.hpp at python313 · boostorg/python · GitHub

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// 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 VOID_RETURN_DWA200274_HPP

# define VOID_RETURN_DWA200274_HPP

# include <boost/config.hpp>

namespace boost { namespace python { namespace detail {

struct void_return

{

void_return() {}

private:

void operator=(void_return const&);

};

template <class T>

struct returnable

{

typedef T type;

};

# ifdef BOOST_NO_VOID_RETURNS

template <>

struct returnable<void>

{

typedef void_return type;

};

# ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS

template <> struct returnable<const void> : returnable<void> {};

template <> struct returnable<volatile void> : returnable<void> {};

template <> struct returnable<const volatile void> : returnable<void> {};

# endif

# endif // BOOST_NO_VOID_RETURNS

}}} // namespace boost::python::detail

#endif // VOID_RETURN_DWA200274_HPP

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