public function where(): ContextInterface
    {
        if(is_null($this->current_context)) {
            $this->enter($this->context());
        }
        return $this->current_context;
    }
public function where(): ContextInterface
    {
        if(is_null($this->current_context)) {
            $this->enter($this->context());
        }
        return $this->current_context;
    }
public function where ( ) : ContextInterface { if ( is_null ( $ this -> current_context ) ) { $ this -> enter ( $ this -> context ( ) ) ; } return $ this -> current_context ; }
Returns which context the Actor is currently operating

This is importnat because All particles formed by the Actor
will be associated with their current context.

@see Actor:pwd for UNIX-style alias.

@return ContextInterface Current context where the Actor is operating.
Returns which context the Actor is currently operating