support bazel complie this project and format code.

codingStyleIdioms/1_classInitializers/1.2_nodefault_ctor.cpp

@@ -0,0 +1,44 @@
+/* 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;
+}