boost::BOOST_FOREACH 博客分类： boost boost

#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

struct device
{  
device( long LL,string SS,double DD)
:m_id     (LL)
,m_name   (SS)
,m_double (DD)
{}
    long   m_id;
string m_name;
double m_double;
};

BOOST_TYPEOF_REGISTER_TYPE(device) //注册一个自定义类 (貌似不注册也行)

int main(int argc, _TCHAR* argv[])
{ 
//超简洁的循环，且同 const_iterator 同样效果
std::vector<std::vector<int> > g4(3);
foreach( const std::vector<int>& row, g4)
{ 
//row.push_back(12);

foreach( const int & i,row)
{
   //todo
}
}
   
//对于map 要换成 pair，但不知道为什么不能放到foreach括号中
std::map<int,std::string> M = map_list_of(1,"11") (2,"22") (3,"33");
typedef const  pair<int,std::string> ff;
foreach( ff& f,M)
{
cout << f.second ;
}
   
    //对于自定义类型
std::vector<device> G;
device g1(11,"table",2.4);
G.push_back(g1);

foreach(const device & g6,G)
{
cout <<  g6.m_name ;
}
   
//没有找到实现 const 的办法，待解决
for ( auto_t( &gg,G.begin()); gg != G.end(); ++gg)
{  
cout << gg->m_name ;
}


map<string, vector<device> > vg;
vg.insert(make_pair("name",G));

for ( auto_t( &gg, vg.begin()); gg != vg.end(); ++gg)
{  
      cout << gg->first ;
}
   
set<int> s = list_of(10)(20)(30);
BOOST_TYPEOF(*s.begin()) y; //也可以用BOOST_AUTO(y, *s.begin());
foreach(y, s)
{

}

return 0;
}