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

boost/type_traits/detail/template_arity_spec.hpp

// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION

// Copyright Aleksey Gurtovoy 2002-2004
//
// 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)

//
// This header is deprecated and no longer used by type_traits:
//
#if defined(__GNUC__) || defined(_MSC_VER)
# pragma message("NOTE: Use of this header (template_arity_spec.hpp) is deprecated")
#endif

#   define BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(i, name) /**/