[Haskell-cafe] Proposal: Non-recursive let

[Richard A. O'Keefe]

On 22/07/2013, at 8:14 PM, Andreas Abel wrote:

> Just today, my student asked me why the following program does nothing:

Did you ask your student why their code should not be torn into pieces,
burned to ashes, and incorporated into a pot for radioactive waste?

All those occurrences of unsafePerformIO!

(OK, so I wouldn't _really_ be rude to a student like that.
 But I'd have a hard time controlling my face...)