ceph/src/boost/boost/mpl/find_if.hpp

   1
   2 #ifndef BOOST_MPL_FIND_IF_HPP_INCLUDED
   3 #define BOOST_MPL_FIND_IF_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 // $Id$
  14 // $Date$
  15 // $Revision$
  16
  17 #include <boost/mpl/aux_/find_if_pred.hpp>
  18 #include <boost/mpl/arg.hpp>
  19 #include <boost/mpl/iter_fold_if.hpp>
  20 #include <boost/mpl/aux_/common_name_wknd.hpp>
  21 #include <boost/mpl/aux_/na_spec.hpp>
  22 #include <boost/mpl/aux_/lambda_support.hpp>
  23
  24 namespace boost { namespace mpl {
  25
  26 BOOST_MPL_AUX_COMMON_NAME_WKND(find_if)
  27
  28 template<
  29       typename BOOST_MPL_AUX_NA_PARAM(Sequence)
  30     , typename BOOST_MPL_AUX_NA_PARAM(Predicate)
  31     >
  32 struct find_if
  33 {
  34     typedef typename iter_fold_if<
  35           Sequence
  36         , void
  37         , mpl::arg<1> // ignore
  38         , protect< aux::find_if_pred<Predicate> >
  39         >::type result_;
  40
  41     typedef typename second<result_>::type type;
  42
  43     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,find_if,(Sequence,Predicate))
  44 };
  45
  46 BOOST_MPL_AUX_NA_SPEC(2,find_if)
  47
  48 }}
  49
  50 #endif // BOOST_MPL_FIND_IF_HPP_INCLUDED