support bazel complie this project and format code.

basic_content/virtual/set3/copy_consrtuct.cpp

@@ -1,41 +1,29 @@
-#include <iostream> 
-using namespace std; 
+#include <iostream>
+using namespace std;
 
-class Base 
-{ 
-    public: 
+class Base {
+public:
+};
 
-}; 
+class Derived : public Base {
+public:
+  Derived() { cout << "Derived created" << endl; }
 
-class Derived : public Base 
-{ 
-    public: 
-        Derived() 
-        { 
-            cout << "Derived created" << endl; 
-        } 
+  Derived(const Derived &rhs) {
+    cout << "Derived created by deep copy" << endl;
+  }
 
-        Derived(const Derived &rhs) 
-        { 
-            cout << "Derived created by deep copy" << endl; 
-        } 
+  ~Derived() { cout << "Derived destroyed" << endl; }
+};
 
-        ~Derived() 
-        { 
-            cout << "Derived destroyed" << endl; 
-        } 
-}; 
+int main() {
+  Derived s1;
 
-int main() 
-{ 
-    Derived s1; 
+  Derived s2 = s1; // Compiler invokes "copy constructor"
+  // Type of s1 and s2 are concrete to compiler
 
-    Derived s2 = s1; // Compiler invokes "copy constructor" 
-    // Type of s1 and s2 are concrete to compiler 
-
-    // How can we create Derived1 or Derived2 object 
-    // from pointer (reference) to Base class pointing Derived object? 
-
-    return 0; 
-} 
+  // How can we create Derived1 or Derived2 object
+  // from pointer (reference) to Base class pointing Derived object?
 
+  return 0;
+}