Comments on: What is a functional programming language?

By: Brian Hurt

Brian Hurt — Fri, 25 Feb 2011 20:31:40 +0000

Sorry for the delay in responding. Anyways, zero is just (fun s -> (fun z -> z)).

By: Michael

Michael — Fri, 14 Jan 2011 06:22:27 +0000

Great post! Certainly cleared up quite a few concepts for me; I haven’t delved deep into functional languages.

One question though. I’m not sure I understood how integers are represented. Your example takes 1 and basically represents it as “the successor of zero”, which is a pretty natural thing to say considering how the set of integers can be constructed, but my question is, how do you then define/represent zero?

This has me stumped – maybe the answer is obvious but I can’t see it.

Cheers.

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By: Mike Hat

Mike Hat — Mon, 27 Dec 2010 00:50:55 +0000

Does anyone think that we will soon see computing architectures that natively support functional “definitions” of what we want done?

Won’t MHz yield to M-core when we finally get beyond the current crop of simplistic CPUs? Math will return to it’s rightful place atop the pyramid of knowledge and the way we express it.

By: Bo

Bo — Fri, 24 Dec 2010 13:36:43 +0000

Function application is left-associative.

Therefore (f x y z) means (((f x) y) z).

Therefore your church numeral are *all wrong*.

For example, three is not (… s s s z) but (… s (s (s z))).