Would that we could all just up and switch programming languages at the drop of a hat like that. Explicitly defining what is ever allowed to be 'null' is a gre

Would that we could all just up and switch programming languages at the drop of a hat like that. Explicitly defining what is ever allowed to be 'null' is a great habit that serves me extremely well during evenings and weekends. But it's completely useless to me, by virtue of being impossible, between 9am and 5pm.