Show HN: Crown – A flexible game engine written from scratch in C++(github.com)

  class Foo
  {
  public:
    static Foo* create()
    {
      Foo* result = new Foo();  //exceptions disabled so new can return nullptr
      if ( result )
      {
        //configure result here
      }
      return result;
    }
  private:
    Foo() {}
  };

  ...
  Foo* badFoo = new Foo(); // compiler error because Foo() is private

  Foo* foo = Foo::create();  //all good, no 2PI and can't forget to call initialize code
  
  if ( foo ) //check for non-null, note, if using an optional you'd also need a similar check
  {
    ...
  }