what is the default input to the get()
the default input is the id field.
Some clarification on this:
When called as a static function,
Persistable.get has one required parameter:
this, which should be an instance of the type.
Persistable.get is a member function, so when called on an instance, no arguments are necessary—the function will be called using the instance as its context (
There may be some confusion about why you can pass an