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codingStyleIdioms/1_classInitializers/1.2_nodefault_ctor.cpp
44 строки
897 B
zhangxing
support bazel complie this project and format code.
30 мар 2024, 17:00
30 мар 2024, 17:00
3c8a3f2
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/* 1.2_无默认构造的继承.cpp */ // // Created by light on 19-12-9. // #include <iostream> class Animal { public: Animal(int age) { std::cout << "Animal(int age) is called" << std::endl; } Animal(const Animal & animal) { std::cout << "Animal (const Animal &) is called" << std::endl; } Animal &operator=(const Animal & amimal) { std::cout << "Animal & operator=(const Animal &) is called" << std::endl; return *this; } ~Animal() { std::cout << "~Animal() is called" << std::endl; } }; class Dog : Animal { public: Dog(int age) : Animal(age) { std::cout << "Dog(int age) is called" << std::endl; } ~Dog() { std::cout << "~Dog() is called" << std::endl; } }; int main() { Animal animal(10); std::cout << std::endl; Dog d(100); std::cout << std::endl; return 0; }