Daviddoria: Created page with '==IndirectIterator.cpp== #include #include #include // Expose the itererator if the container stores…'

2012-01-02T16:17:43Z

Created page with '==IndirectIterator.cpp== <source lang="cpp"> #include <iostream> #include <set> #include <boost/iterator/indirect_iterator.hpp> // Expose the itererator if the container stores…'

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==IndirectIterator.cpp==
<source lang="cpp">
#include <iostream>
#include <set>

#include <boost/iterator/indirect_iterator.hpp>

// Expose the itererator if the container stores objects.
// class MyCollection
// {
// public:
// // Iterator interface
// typedef std::set<int>::iterator iterator;
// typedef std::set<int>::const_iterator const_iterator;
//
// iterator begin() { return objects.begin(); }
//
// iterator end() { return objects.end(); }
//
// private:
//
// std::set<int> objects;
// };

// Expose the itererator if the container stores pointers.
class MyCollection
{
public:
MyCollection()
{
objects.insert(new int(3));
}
// Iterator interface
//typedef boost::indirect_iterator<std::set<int> > iterator;
typedef boost::indirect_iterator<std::set<int*>::iterator> iterator;

iterator begin() { return objects.begin(); }

iterator end() { return objects.end(); }

private:

std::set<int*> objects;
};

int main()
{
MyCollection myCollection;

for(MyCollection::iterator iterator = myCollection.begin(); iterator != myCollection.end(); iterator++)
{
std::cout << " " << *iterator;
}
return 0;
}

</source>

==CMakeLists.txt==
<source lang="cmake">

cmake_minimum_required(VERSION 2.6)

Project(IndirectIterator)

ADD_EXECUTABLE(IndirectIterator IndirectIterator.cpp)
</source>

CPP/Boost/Iterators/IndirectIterator - Revision history

Daviddoria: Created page with '==IndirectIterator.cpp== #include #include #include // Expose the itererator if the container stores…'