它适用于普通的香草功能.下面的代码工作得很好.它打印的应该是什么:
int __cdecl(int, char)
2
int,char
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#include <boost/type_traits.hpp>
#include <boost/function.hpp>
#include <boost/typeof/std/utility.hpp>
#include <iostream>
using std::cout;
using std::endl;
int foo(int, char) {
return 0;
}
int main() {
typedef BOOST_TYPEOF(foo) foo_type;;
typedef boost::function_traits<foo_type> function_traits;
cout << typeid(foo_type).name() << endl;
cout << function_traits::arity << endl;
cout << typeid(function_traits::arg1_type).name() << ",";
cout << typeid(function_traits::arg2_type).name() << endl;
return 0;
}
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所以,问题是,如果foo是类栏的成员函数,怎么能这样做呢?
struct bar {
int foo(int, char) { return 0; }
};
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我尝试过这些结构的无数组合:BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()BOOST_TYPEOF_REGISTER_TYPE()boost :: ref boost :: remove_pointer boost :: bind boost :: …