From: Ker Lutyn <ker527mail@yahoo.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Python's yield, Lisp's call-cc or C's setjmp/longjmp in OCaml
Date: Thu, 18 Dec 2003 14:08:45 -0800 (PST) [thread overview]
Message-ID: <20031218220845.75406.qmail@web40610.mail.yahoo.com> (raw)
How about:
type 'a cont = Cont of ('a -> 'a cont)
let apply c x = match c with Cont f -> f x
let rec iterator c = function
| Node l -> List.fold_left iterator c l
| Leaf x -> apply c x
On Thu, Dec 18, 2003 at 10:14:19AM +0900, Nicolas Cannasse wrote:
>
> type 'a tree =
> | Node of 'a tree list
> | Leaf of 'a
>
> let rec iterator = function
> | Node l -> List.iter iterator l
> | Leaf x -> yield x
>
> Doing it using a closure is more difficult, since we need to reproduce the
> stack using a data structure. That goes of course for all recursive data
> structures.
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next reply other threads:[~2003-12-18 22:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-18 22:08 Ker Lutyn [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-12-16 18:06 Kevin S. Millikin
2003-12-16 13:13 Nuutti Kotivuori
2003-12-16 13:28 ` Oleg Trott
2003-12-18 0:15 ` Nuutti Kotivuori
2003-12-16 13:48 ` Ville-Pertti Keinonen
2003-12-16 15:41 ` Kenneth Knowles
2003-12-16 16:45 ` Richard Jones
2003-12-16 18:36 ` Ville-Pertti Keinonen
2003-12-16 18:42 ` Brian Hurt
2003-12-16 18:10 ` Dustin Sallings
2003-12-17 6:30 ` ijtrotts
2003-12-17 8:13 ` Dustin Sallings
2003-12-17 10:35 ` Falk Hueffner
2003-12-17 19:14 ` Pierre Weis
2003-12-17 19:32 ` Falk Hueffner
2003-12-17 20:04 ` David Brown
2003-12-18 1:14 ` Nicolas Cannasse
2003-12-18 5:31 ` David Brown
2003-12-18 7:05 ` Brian Hurt
2003-12-18 6:45 ` David Brown
2003-12-18 18:44 ` brogoff
2003-12-17 19:42 ` brogoff
2003-12-19 13:39 ` skaller
2003-12-18 0:51 ` Nuutti Kotivuori
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