Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a development version of boost.

boost/preprocessor/punctuation/paren.hpp

# /* **************************************************************************
#  *                                                                          *
#  *     (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_PUNCTUATION_PAREN_HPP
# define BOOST_PREPROCESSOR_PUNCTUATION_PAREN_HPP
#
# /* BOOST_PP_LPAREN */
#
# define BOOST_PP_LPAREN() (
#
# /* BOOST_PP_RPAREN */
#
# define BOOST_PP_RPAREN() )
#
# endif