copy_if

#include "stdafx.h"
#include <string>
#include <iostream>
#include "boost/assign.hpp"
#include "boost/bind.hpp"
#include "boost/typeof/typeof.hpp"
#include "boost/assert.hpp"
#include <boost/foreach.hpp>

#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
#define foreach BOOST_FOREACH
#define auto_t  BOOST_AUTO
#define assert_t BOOST_ASSERT

using namespace boost::assign;
using namespace std;

#define BOOST_DISABLE_ASSERTS

//copy_if
template<typename InputIterator, 
typename OutputIterator,  
typename Predicate>
OutputIterator copy_if(InputIterator begin,
   InputIterator end,
   OutputIterator destBegin,
   Predicate p)
{
while (begin != end)
{
if (p(*begin)) *destBegin++ = *begin;
++begin;
}
return destBegin;
}

//自定义类型
struct device
{  
device( long LL,string SS,double DD)
:m_id     (LL)
,m_name   (SS)
,m_double (DD)
{}

device()
:m_id     (0)
,m_name   (0)
,m_double (0)
{}

long   m_id;
string m_name;
double m_double;
};



int main(int argc, _TCHAR* argv[])
{ 
std::vector<device> dd;
dd.push_back(device(1,"1",1.1));
dd.push_back(device(2,"2",2.1));
dd.push_back(device(3,"3",3.1));
dd.push_back(device(4,"4",4.1));

std::vector<device> cc;

copy_if(dd.begin(),
    dd.end(),
back_inserter(cc),
bind(&device::m_id,_1) == 2 ||
bind(&device::m_name,_1) == "4");

return 0;
}