contrib/src/boost/preprocessor/control/expr_iif.hpp


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

# /* **************************************************************************

#  *                                                                          *

#  *     (C) Copyright Paul Mensonides 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)

#  *                                                                          *

#  ************************************************************************** */

#

# /* See http://www.boost.org for most recent version. */

#

# ifndef BOOST_PREPROCESSOR_CONTROL_EXPR_IIF_HPP

# define BOOST_PREPROCESSOR_CONTROL_EXPR_IIF_HPP

#

# include <boost/preprocessor/config/config.hpp>

#

# /* BOOST_PP_EXPR_IIF */

#

# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()

#    define BOOST_PP_EXPR_IIF(bit, expr) BOOST_PP_EXPR_IIF_I(bit, expr)

# else

#    define BOOST_PP_EXPR_IIF(bit, expr) BOOST_PP_EXPR_IIF_OO((bit, expr))

#    define BOOST_PP_EXPR_IIF_OO(par) BOOST_PP_EXPR_IIF_I ## par

# endif

#

# define BOOST_PP_EXPR_IIF_I(bit, expr) BOOST_PP_EXPR_IIF_ ## bit(expr)

#

# define BOOST_PP_EXPR_IIF_0(expr)

# define BOOST_PP_EXPR_IIF_1(expr) expr

#

# endif