[Haskell-cafe] Re: [Off topic] Proving an impossibility

Sterling Clover writes:

of course you could rewrite this in a while loop too although you'd have to use an assignment, but at least still not one with a silly "done" variable.

People seem to have overlooked the bit of Algol68 I posted, so I'll repeat it While If E Then S; F Else False Fi Do T Od No break, no extra variables and natural to an A68 programmer, in fact much the same as a recursive function in Haskell. -- Jón Fairbairn Jon.Fairbairn@cl.cam.ac.uk