forked from boostorg/mpl
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
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#ifndef BOOST_MPL_LESS_HPP_INCLUDED
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#define BOOST_MPL_LESS_HPP_INCLUDED
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// + file: boost/mpl/less.hpp
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// + last modified: 25/feb/03
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// Copyright (c) 2000-03
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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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//
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// See http://www.boost.org/libs/mpl for documentation.
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#include "boost/mpl/bool.hpp"
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#include "boost/mpl/integral_c.hpp"
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#include "boost/mpl/aux_/value_wknd.hpp"
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#include "boost/mpl/aux_/void_spec.hpp"
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#include "boost/mpl/aux_/lambda_support.hpp"
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#include "boost/config.hpp"
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namespace boost {
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namespace mpl {
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template<
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typename BOOST_MPL_AUX_VOID_SPEC_PARAM(T1)
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, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(T2)
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>
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struct less
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{
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BOOST_STATIC_CONSTANT(bool, value = (
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(BOOST_MPL_AUX_VALUE_WKND(T1)::value)
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< (BOOST_MPL_AUX_VALUE_WKND(T2)::value)
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));
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#if !defined(__BORLANDC__)
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typedef bool_<value> type;
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#else
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typedef bool_<(
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(BOOST_MPL_AUX_VALUE_WKND(T1)::value)
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< (BOOST_MPL_AUX_VALUE_WKND(T2)::value)
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)> type;
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#endif
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2,less,(T1,T2))
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};
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BOOST_MPL_AUX_VOID_SPEC(2, less)
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template< long N >
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struct lt
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{
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template< typename T > struct apply
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#if !defined(__BORLANDC__)
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: less< T,integral_c<long,N> >
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{
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#else
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{
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typedef typename less< T,integral_c<long,N> >::type type;
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#endif
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};
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};
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_LESS_HPP_INCLUDED
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