Minor style issues

CppCoreGuidelines.md

@@ -4965,7 +4965,10 @@ It is really hard to write a foolproof and useful `==` for a hierarchy.
     class B {
         string name;
         int number;
-        virtual bool operator==(const B& a) const { return name == a.name && number == a.number; }
+        virtual bool operator==(const B& a) const
+        {
+             return name == a.name && number == a.number;
+        }
         // ...
     };
 
@@ -4973,7 +4976,10 @@ It is really hard to write a foolproof and useful `==` for a hierarchy.
 
     class D :B {
         char character;
-        virtual bool operator==(const D& a) const { return name == a.name && number == a.number && character == a.character; }
+        virtual bool operator==(const D& a) const
+        {
+            return name == a.name && number == a.number && character == a.character;
+        }
         // ...
     };