Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/src/boost/libs/container/example/doc_move_containers.cpp b/src/boost/libs/container/example/doc_move_containers.cpp
new file mode 100644
index 00000000..e7b09f09
--- /dev/null
+++ b/src/boost/libs/container/example/doc_move_containers.cpp
@@ -0,0 +1,54 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2009-2013. 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/container for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+#include <boost/container/detail/config_begin.hpp>
+#include <boost/container/detail/workaround.hpp>
+//[doc_move_containers
+#include <boost/container/vector.hpp>
+#include <boost/move/utility_core.hpp>
+#include <cassert>
+
+//Non-copyable class
+class non_copyable
+{
+   BOOST_MOVABLE_BUT_NOT_COPYABLE(non_copyable)
+
+   public:
+   non_copyable(){}
+   non_copyable(BOOST_RV_REF(non_copyable)) {}
+   non_copyable& operator=(BOOST_RV_REF(non_copyable)) { return *this; }
+};
+
+int main ()
+{
+   using namespace boost::container;
+
+   //Store non-copyable objects in a vector
+   vector<non_copyable> v;
+   non_copyable nc;
+   v.push_back(boost::move(nc));
+   assert(v.size() == 1);
+
+   //Reserve no longer needs copy-constructible
+   v.reserve(100);
+   assert(v.capacity() >= 100);
+
+   //This resize overload only needs movable and default constructible
+   v.resize(200);
+   assert(v.size() == 200);
+
+   //Containers are also movable
+   vector<non_copyable> v_other(boost::move(v));
+   assert(v_other.size() == 200);
+   assert(v.empty());
+
+   return 0;
+}
+//]
+#include <boost/container/detail/config_end.hpp>