// refactoringmotherfucker.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//#include <iostream>
#include <vector>
#include <memory>// before refactoring of split loop
class People {
public:People(double _age,double _salary) : age(_age), salary(_salary) {}double age;double salary;
};class BeforeApplication
{
public:void doWork() {init();printValues();}void init() {peoples_.push_back(std::make_shared<People>(23, 8000));peoples_.push_back(std::make_shared<People>(25, 13000));peoples_.push_back(std::make_shared<People>(30, 15000));}void printValues() {double averageAge = 0;double totalSalary = 0;for (int i = 0; i < peoples_.size(); i++){averageAge += peoples_.at(i)->age;totalSalary += peoples_.at(i)->salary;}averageAge = averageAge / peoples_.size();std::cout << "the average age is: " << averageAge << std::endl;std::cout << "the total salary is: " << totalSalary << std::endl;}
private:std::vector<std::shared_ptr<People> > peoples_;
};// after refactoring of split loop
class AfterApplication
{
public:void doWork() {init();printValues();}void init() {peoples_.push_back(std::make_shared<People>(23, 8000));peoples_.push_back(std::make_shared<People>(25, 13000));peoples_.push_back(std::make_shared<People>(30, 15000));}void printValues() {std::cout << "the average age is: " << averageAge() << std::endl;std::cout << "the total salary is: " << totalSalary() << std::endl;}double averageAge() {double result = 0;for (int i = 0; i < peoples_.size(); i++) {result += peoples_[i]->age;}return result / peoples_.size();}double totalSalary() {double result = 0;for (int i = 0; i < peoples_.size(); i++) {result += peoples_[i]->salary;}return result;}
private:std::vector<std::shared_ptr<People> > peoples_;
};int main()
{// refactoring beforestd::shared_ptr<BeforeApplication> before_app = std::make_shared<BeforeApplication>();before_app->doWork();// refactoring afterstd::shared_ptr<AfterApplication> after_app = std::make_shared<AfterApplication>();after_app->doWork();}