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- /////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright Ion Gaztanaga 2006-2013
- //
- // 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/intrusive for documentation.
- //
- /////////////////////////////////////////////////////////////////////////////
- //[doc_splay_set_code
- #include <boost/intrusive/splay_set.hpp>
- #include <vector>
- #include <functional>
- using namespace boost::intrusive;
- class mytag;
- class MyClass
- : public bs_set_base_hook<>
- {
- int int_;
- public:
- //This is a member hook
- bs_set_member_hook<> member_hook_;
- MyClass(int i)
- : int_(i)
- {}
- friend bool operator< (const MyClass &a, const MyClass &b)
- { return a.int_ < b.int_; }
- friend bool operator> (const MyClass &a, const MyClass &b)
- { return a.int_ > b.int_; }
- friend bool operator== (const MyClass &a, const MyClass &b)
- { return a.int_ == b.int_; }
- };
- //Define a set using the base hook that will store values in reverse order
- typedef splay_set< MyClass, compare<std::greater<MyClass> > > BaseSplaySet;
- //Define an multiset using the member hook
- typedef member_hook<MyClass, bs_set_member_hook<>, &MyClass::member_hook_> MemberOption;
- typedef splay_multiset< MyClass, MemberOption> MemberSplayMultiset;
- int main()
- {
- typedef std::vector<MyClass>::iterator VectIt;
- //Create several MyClass objects, each one with a different value
- std::vector<MyClass> values;
- for(int i = 0; i < 100; ++i) values.push_back(MyClass(i));
- BaseSplaySet baseset;
- MemberSplayMultiset membermultiset;
- //Insert values in the container
- for(VectIt it(values.begin()), itend(values.end()); it != itend; ++it){
- baseset.insert(*it);
- membermultiset.insert(*it);
- }
- //Now test sets
- {
- BaseSplaySet::reverse_iterator rbit(baseset.rbegin());
- MemberSplayMultiset::iterator mit(membermultiset.begin());
- VectIt it(values.begin()), itend(values.end());
- //Test the objects inserted in the base hook set
- for(; it != itend; ++it, ++rbit){
- if(&*rbit != &*it) return 1;
- }
- //Test the objects inserted in member and binary search hook sets
- for(it = values.begin(); it != itend; ++it, ++mit){
- if(&*mit != &*it) return 1;
- }
- }
- return 0;
- }
- //]
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