Index: third_party/boost/boost/mpl/iter_fold_if.hpp |
diff --git a/third_party/boost/boost/mpl/iter_fold_if.hpp b/third_party/boost/boost/mpl/iter_fold_if.hpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5c89f3644c014933a3378aceb94dad266ea48915 |
--- /dev/null |
+++ b/third_party/boost/boost/mpl/iter_fold_if.hpp |
@@ -0,0 +1,117 @@ |
+ |
+#ifndef BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED |
+#define BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED |
+ |
+// Copyright Aleksey Gurtovoy 2003-2004 |
+// Copyright Eric Friedman 2003 |
+// |
+// 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) |
+// |
+// See http://www.boost.org/libs/mpl for documentation. |
+ |
+// $Source$ |
+// $Date: 2004-09-02 11:41:37 -0400 (Thu, 02 Sep 2004) $ |
+// $Revision: 24874 $ |
+ |
+#include <boost/mpl/begin_end.hpp> |
+#include <boost/mpl/logical.hpp> |
+#include <boost/mpl/always.hpp> |
+#include <boost/mpl/eval_if.hpp> |
+#include <boost/mpl/if.hpp> |
+#include <boost/mpl/pair.hpp> |
+#include <boost/mpl/apply.hpp> |
+#include <boost/mpl/aux_/iter_fold_if_impl.hpp> |
+#include <boost/mpl/aux_/na_spec.hpp> |
+#include <boost/mpl/aux_/lambda_support.hpp> |
+#include <boost/mpl/aux_/config/forwarding.hpp> |
+#include <boost/mpl/aux_/config/workaround.hpp> |
+ |
+#include <boost/type_traits/is_same.hpp> |
+ |
+namespace boost { namespace mpl { |
+ |
+namespace aux { |
+ |
+template< typename Predicate, typename LastIterator > |
+struct iter_fold_if_pred |
+{ |
+ template< typename State, typename Iterator > struct apply |
+#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
+ : and_< |
+ not_< is_same<Iterator,LastIterator> > |
+ , apply1<Predicate,Iterator> |
+ > |
+ { |
+#else |
+ { |
+ typedef and_< |
+ not_< is_same<Iterator,LastIterator> > |
+ , apply1<Predicate,Iterator> |
+ > type; |
+#endif |
+ }; |
+}; |
+ |
+} // namespace aux |
+ |
+template< |
+ typename BOOST_MPL_AUX_NA_PARAM(Sequence) |
+ , typename BOOST_MPL_AUX_NA_PARAM(State) |
+ , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp) |
+ , typename BOOST_MPL_AUX_NA_PARAM(ForwardPredicate) |
+ , typename BOOST_MPL_AUX_NA_PARAM(BackwardOp) |
+ , typename BOOST_MPL_AUX_NA_PARAM(BackwardPredicate) |
+ > |
+struct iter_fold_if |
+{ |
+ |
+ typedef typename begin<Sequence>::type first_; |
+ typedef typename end<Sequence>::type last_; |
+ |
+ typedef typename eval_if< |
+ is_na<BackwardPredicate> |
+ , if_< is_na<BackwardOp>, always<false_>, always<true_> > |
+ , identity<BackwardPredicate> |
+ >::type backward_pred_; |
+ |
+// cwpro8 doesn't like 'cut-off' type here (use typedef instead) |
+#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) && !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) |
+ struct result_ : |
+#else |
+ typedef |
+#endif |
+ aux::iter_fold_if_impl< |
+ first_ |
+ , State |
+ , ForwardOp |
+ , protect< aux::iter_fold_if_pred< ForwardPredicate,last_ > > |
+ , BackwardOp |
+ , backward_pred_ |
+ > |
+#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) && !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) |
+ { }; |
+#else |
+ result_; |
+#endif |
+ |
+public: |
+ |
+ typedef pair< |
+ typename result_::state |
+ , typename result_::iterator |
+ > type; |
+ |
+ BOOST_MPL_AUX_LAMBDA_SUPPORT( |
+ 6 |
+ , iter_fold_if |
+ , (Sequence,State,ForwardOp,ForwardPredicate,BackwardOp,BackwardPredicate) |
+ ) |
+}; |
+ |
+BOOST_MPL_AUX_NA_SPEC(6, iter_fold_if) |
+ |
+}} |
+ |
+#endif // BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED |