Add block size customization options to deque.

example/doc_custom_deque.cpp

@@ -0,0 +1,41 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2013-2013. 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.
+//
+//////////////////////////////////////////////////////////////////////////////
+//[doc_custom_deque
+#include <boost/container/deque.hpp>
+#include <boost/static_assert.hpp>
+
+//Make sure assertions are active
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+#include <cassert>
+
+int main ()
+{
+   using namespace boost::container;
+
+   //This option specifies the desired block size for deque
+   typedef deque_options< block_size<128u> >::type block_128_option_t;
+
+   //This deque will allocate blocks of 128 elements
+   typedef deque<int, void, block_128_option_t > block_128_deque_t;
+   assert(block_128_deque_t::get_block_size() == 128u);
+
+   //This option specifies the maximum block size for deque
+   //in bytes
+   typedef deque_options< block_bytes<1024u> >::type block_1024_bytes_option_t;
+
+   //This deque will allocate blocks of 1024 bytes
+   typedef deque<int, void, block_1024_bytes_option_t > block_1024_bytes_deque_t;
+   assert(block_1024_bytes_deque_t::get_block_size() == 1024u/sizeof(int));
+
+   return 0;
+}
+//]