under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2 under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2 under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2

ontainer 实现了btree map和btree set，(Apache)。 google， https://code.google.com/archive/p/cpp-btree/， btree_map , btree_set, btree_multimap, and btree_multiset ，（ ） Apache B+tree 内部结点不保存数据，只有叶子结点保存数据。