// d2mcpp: https://github.com/mcpp-community/d2mcpp

// license: Apache-2.0

// file: src/cpp11/tests/10-delegating-constructors/0.cpp

//

// Exercise/练习: cpp11 | 10 - delegating constructors | 委托构造函数

//

// Tips/提示: 根据编译器的输出, 修复编译器报错, 了解委托构造函数的基本使用

//

// Docs/文档:

// - https://en.cppreference.com/w/cpp/language/initializer_list.html#Delegating_constructor

// - https://github.com/mcpp-community/d2mcpp/blob/main/book/src/cpp11/10-delegating-constructors.md

//

// Auto-Checker/自动检测命令:

//

// d2x checker delegating-constructors

//

import std;

import d2x;

static int construction_counter { 0 };

class Account {

std::string id;

std::string name;

std::string coin;

public:

Account(std::string id_) {

id = id_;

name = "momo";

coin = "0元";

d2x::dont_delete_this(construction_counter++);

}

Account(std::string id_, std::string name_) {

id = id_;

name = name_;

coin = "0元";

d2x::dont_delete_this(construction_counter++);

}

Account(std::string id_, std::string name_, int coin_) {

id = id_;

name = name_;

coin = std::to_string(coin_) + "元";

d2x::dont_delete_this(construction_counter++);

}

std::string to_string() const {

return "Account { id: " + id + ", name: " + name + ", coin: " + coin + " }";

}

};

int main() { // 不要修改main函数中的代码

Account a1 { "1111" };

d2x::check_eq(construction_counter, 3, "construction_counter == 3");

std::cout << a1.to_string() << std::endl;

Account a2 { "2222", "wukong" };

d2x::check_eq(construction_counter, 5, "construction_counter == 5");

std::cout << a2.to_string() << std::endl;

Account a3 { "3333", "mcpp", 100 };

d2x::check_eq(construction_counter, 6, "construction_counter == 6");

std::cout << a3.to_string() << std::endl;

Account gi { "0000", "GImpact", 648 };

std::cout << gi.to_string() << std::endl;

d2x::check(gi.to_string() ==

"Account { id: 0000, name: GImpact, coin: 648原石 }", "gi.to_string() == \"Account { id: 0000, name: GImpact, coin: 648原石 }\"");

d2x::wait();

return 0;

}