/extlibs/Boost/include/boost/mpl/O1_size.hpp
C++ Header | 40 lines | 20 code | 9 blank | 11 comment | 0 complexity | 8bdcf3a35d7962b48f3b11bb0642c957 MD5 | raw file
1 2#ifndef BOOST_MPL_O1_SIZE_HPP_INCLUDED 3#define BOOST_MPL_O1_SIZE_HPP_INCLUDED 4 5// Copyright Aleksey Gurtovoy 2000-2004 6// 7// Distributed under the Boost Software License, Version 1.0. 8// (See accompanying file LICENSE_1_0.txt or copy at 9// http://www.boost.org/LICENSE_1_0.txt) 10// 11// See http://www.boost.org/libs/mpl for documentation. 12 13// $Id: O1_size.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ 14// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ 15// $Revision: 49267 $ 16 17#include <boost/mpl/O1_size_fwd.hpp> 18#include <boost/mpl/sequence_tag.hpp> 19#include <boost/mpl/aux_/O1_size_impl.hpp> 20#include <boost/mpl/aux_/na_spec.hpp> 21#include <boost/mpl/aux_/lambda_support.hpp> 22 23namespace boost { namespace mpl { 24 25// returns sequence size if it's an O(1) operation; otherwise returns -1 26template< 27 typename BOOST_MPL_AUX_NA_PARAM(Sequence) 28 > 29struct O1_size 30 : O1_size_impl< typename sequence_tag<Sequence>::type > 31 ::template apply< Sequence > 32{ 33 BOOST_MPL_AUX_LAMBDA_SUPPORT(1, O1_size, (Sequence)) 34}; 35 36BOOST_MPL_AUX_NA_SPEC(1, O1_size) 37 38}} 39 40#endif // BOOST_MPL_O1_SIZE_HPP_INCLUDED