main.cpp

一个命令行运算器源代码 用C++写的命令行运算器

#include "Extree.h"
#include <iostream>

int main(int argc, char* argv[])
{
    if(argc != 2)
    {
        std::cerr<<"usage: "<<argv[0]<<' '<<"Expression"<<std::endl;
        return 1;
    }
    Extree global(argv[1]);
    std::cout<<"the result is "<<global.getresult();
    return 0;
}