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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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