6楼: Originally posted by fhh2626 at 2012-12-12 21:05:10
#include <iostream>
#include <cmath>

double fun(double(* f)(double))
{
   return f((double)3);
}

double plusOne(double a)
{
        return a+1;
}

int main()
{
        using std::cout ...

3楼: Originally posted by fhh2626 at 2012-12-03 15:24:51
不过更正确的做法应该是C++的函数模板