01.#include <iostream>
02.#include <list>
03.#include <boost/any.hpp>
04.
05.typedef std::list<boost::any> list_any;
06.
07.//关键部分:可以存放任意类型的对象
08.void fill_list(list_any& la)
09.{
10. la.push_back(1000);//存放常数
11. la.push_back( std::string("this is an example") );//存放字符串对象;注意la.push_back(“dyunze”)错误,因为会被当错字符串数组
12.}
13.
14.//根据类型进行显示
15.void show_list(list_any& la)
16.{
17. list_any::iterator it;
18. boost::any anyone;
19.
20. for( it = la.begin(); it != la.end(); it++ )
21. {
22. anyone = *it;
23.
24. if( anyone.type() == typeid(int) )
25. std::cout<<boost::any_cast<int>(*it)<<std::endl;
26. else if( anyone.type() == typeid(std::string) )
27. std::cout<<boost::any_cast<std::string>(*it).c_str()<<std::endl;
28. }
29.}
30.
31.int main()
32.{
33. list_any la;
34. fill_list(la);
35. show_list(la);
36.
37. return 0;
38.}
输出:
1000
this is an example
boost::any的一般用法
原文:http://blog.csdn.net/createdsign/article/details/38022585