forked from boostorg/mpl
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/aux_/arity.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2001-02
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#ifndef BOOST_MPL_AUX_ARITY_HPP_INCLUDED
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#define BOOST_MPL_AUX_ARITY_HPP_INCLUDED
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#include "boost/mpl/aux_/config/dtp.hpp"
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#include "boost/mpl/aux_/config/nttp.hpp"
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#if defined(BOOST_BROKEN_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES)
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# include "boost/config.hpp"
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namespace boost {
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namespace mpl {
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namespace aux {
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// agurt, 15/mar/02: it's possible to implement the template so that it will
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// "just work" and do not require any specialization, but not on the compilers
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// that require the arity workaround in the first place
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template< typename F, BOOST_MPL_AUX_NTTP_DECL(int, N) >
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struct arity
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{
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BOOST_STATIC_CONSTANT(int, value = N);
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};
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} // namespace aux
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_BROKEN_DEFAULT_TEMPLATE_PARAMETERS_IN_NESTED_TEMPLATES
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#endif // BOOST_MPL_AUX_ARITY_HPP_INCLUDED
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