Without purity, you have the power to express a lot more, burdening the reader. ...

		Peaker on Nov 14, 2015 \| parent \| context \| favorite \| on: We need less powerful languages Without purity, you have the power to express a lot more, burdening the reader. Purity lets you easily and arbitrarily constrain a function or program -- easing the burden for the reader who is free to assume so much more about what they read.