update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / multi_index / ranked_index.hpp

diff --git a/ceph/src/boost/boost/multi_index/ranked_index.hpp b/ceph/src/boost/boost/multi_index/ranked_index.hpp
index 02937122e88ecd84326d45a336acb1b2c192d13f..cdc39990c8c29bbd05e76e8ddcc31a87633fd895 100644 (file)
--- a/ceph/src/boost/boost/multi_index/ranked_index.hpp
+++ b/ceph/src/boost/boost/multi_index/ranked_index.hpp
@@ -1,4 +1,4 @@
-/* Copyright 2003-2020 Joaquin M Lopez Munoz.
+/* Copyright 2003-2022 Joaquin M Lopez Munoz.
  * 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)
@@ -49,6 +49,21 @@ public:
   typedef typename super::iterator       iterator;
   typedef typename super::size_type      size_type;
 
+  /* set operations */
+
+  template<typename CompatibleKey>
+  size_type count(const CompatibleKey& x)const
+  {
+    return count(x,this->comp_);
+  }
+
+  template<typename CompatibleKey,typename CompatibleCompare>
+  size_type count(const CompatibleKey& x,const CompatibleCompare& comp)const
+  {
+    std::pair<size_type,size_type> p=this->equal_range_rank(x,comp);
+    return p.second-p.first;
+  }
+
   /* rank operations */
 
   iterator nth(size_type n)const