adda517544
Replaced <algorithm> with <functional> where needed Added basic equal/lexicographical compare algorithms to avoid complex <algorithm> include and ADL problems in some compilers
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (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;
|
|
}
|
|
//]
|