container/example/doc_custom_tree.cpp
2017-12-10 23:06:20 +01:00

70 lines
2.1 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (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.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/container/detail/config_begin.hpp>
#include <boost/container/detail/workaround.hpp>
//[doc_custom_tree
#include <boost/container/set.hpp>
//Make sure assertions are active
#ifdef NDEBUG
#undef NDEBUG
#endif
#include <cassert>
int main ()
{
using namespace boost::container;
//First define several options
//
//This option specifies an AVL tree based associative container
typedef tree_assoc_options< tree_type<avl_tree> >::type AVLTree;
//This option specifies an AVL tree based associative container
//disabling node size optimization.
typedef tree_assoc_options< tree_type<avl_tree>
, optimize_size<false> >::type AVLTreeNoSizeOpt;
//This option specifies an Splay tree based associative container
typedef tree_assoc_options< tree_type<splay_tree> >::type SplayTree;
//Now define new tree-based associative containers
//
//AVLTree based set container
typedef set<int, std::less<int>, std::allocator<int>, AVLTree> AvlSet;
//AVLTree based set container without size optimization
typedef set<int, std::less<int>, std::allocator<int>, AVLTreeNoSizeOpt> AvlSetNoSizeOpt;
//Splay tree based multiset container
typedef multiset<int, std::less<int>, std::allocator<int>, SplayTree> SplayMultiset;
//Use them
//
AvlSet avl_set;
avl_set.insert(0);
assert(avl_set.find(0) != avl_set.end());
AvlSetNoSizeOpt avl_set_no_szopt;
avl_set_no_szopt.insert(1);
avl_set_no_szopt.insert(1);
assert(avl_set_no_szopt.count(1) == 1);
SplayMultiset splay_mset;
splay_mset.insert(2);
splay_mset.insert(2);
assert(splay_mset.count(2) == 2);
return 0;
}
//]
#include <boost/container/detail/config_end.hpp>