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#include <iostream>
#include <vector>
#include <list>
#include <utility>
#include <claw/iterator.hpp>
#include <claw/functional.hpp>
void bi_test()
{
typedef std::list< std::pair<int, int> > container;
container v;
v.push_back( std::pair<int, int>(1, 1) );
v.push_back( std::pair<int, int>(2, 4) );
v.push_back( std::pair<int, int>(3, 9) );
v.push_back( std::pair<int, int>(4, 61) );
typedef
claw::wrapped_iterator
< int,
container::iterator,
claw::second<int, int>
>::iterator_type
iterator;
iterator it;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
do
{
--it;
std::cout << *it << ' ';
}
while ( it!=v.begin() );
std::cout << std::endl;
}
void random_test()
{
typedef std::vector< std::pair<int, int> > container;
container v;
v.push_back( std::pair<int, int>(1, 1) );
v.push_back( std::pair<int, int>(2, 4) );
v.push_back( std::pair<int, int>(3, 9) );
v.push_back( std::pair<int, int>(4, 61) );
typedef
claw::wrapped_iterator
< int,
container::iterator,
claw::second<int, int>
>::iterator_type
iterator;
iterator it;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
it = v.begin();
*(it + 3) = 18;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
*(it - 1) = 17;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
it = v.begin();
it[3] = 16;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
}
void complicated_test()
{
typedef std::vector< std::pair<int, int>* > container;
container v;
v.push_back( new std::pair<int, int>(1, 1) );
v.push_back( new std::pair<int, int>(2, 4) );
v.push_back( new std::pair<int, int>(3, 9) );
v.push_back( new std::pair<int, int>(4, 61) );
typedef
claw::wrapped_iterator
< int,
container::iterator,
claw::unary_compose
< claw::second<int, int>,
claw::dereference< std::pair<int, int> >
>
>::iterator_type
iterator;
iterator it;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
it = v.begin();
*(it + 3) = 18;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
*(it - 1) = 16;
for ( it=v.begin(); it!=v.end(); ++it )
std::cout << *it << ' ';
std::cout << std::endl;
}
int main( int argc, char* argv[] )
{
bi_test();
std::cout << "--\n";
random_test();
std::cout << "--\n";
complicated_test();
return 0;
} // int main()
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