readability-convert-member-functions-to-static¶

Finds non-static member functions that can be made static because the functions don’t use this.

After applying modifications as suggested by the check, runnnig the check again might find more opportunities to mark member functions static.

After making a member function static, you might want to run the check readability-static-accessed-through-instance to replace calls like Instance.method() by Class::method().