Re: [Factor-talk] nested nil lists
yes. Which is the same as ```nil 1list```. Jon On Fri, Jul 3, 2015 at 11:40 AM, Iain Gray iaing...@ednet.co.uk wrote: is nil nil cons ok? On 3 Jul 2015, at 10:14, Iain Gray iaing...@ednet.co.uk wrote: in Scheme I can evaluate (list ‘()) to get ‘(()) as a nested null list Factor supplies nil (+nil+) but I can’t seem to get the above using cons, 1list etc. is this not the natural way to do this in Factor? -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ ___ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ ___ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/___ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk
Re: [Factor-talk] Factor-talk Digest, Vol 109, Issue 1
Is it true that in Factor the quotation has access to the parent function's
local variables?
Over on comp.lang.forth Bernd Payson has said that in Factor quotations do not
have access to the parent function's local variables --- he uses this argument
to justify that his quotations (just :NONAME with some syntactic sugar) don't
need to have access to the parent function's locals.
Anyway, in LOTD my quotations have access to the parent function's local
variables.
regards --- Hugh
On Friday, July 3, 2015 10:53 AM,
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Today's Topics:
1. Re: displaying Lisp like nested lists (Iain Gray)
2. Re: displaying Lisp like nested lists (Bj?rn Lindqvist)
3. Re: displaying Lisp like nested lists (Iain Gray)
4. nested nil lists (Iain Gray)
5. Re: nested nil lists (Iain Gray)
6. Re: nested nil lists (Jon Harper)
--
Message: 1
Date: Mon, 29 Jun 2015 16:49:03 +0100
From: Iain Gray iaing...@ednet.co.uk
Subject: Re: [Factor-talk] displaying Lisp like nested lists
To: factor-talk@lists.sourceforge.net
Message-ID: 272b8268-5938-4c23-bdbc-0408c5d97...@ednet.co.uk
Content-Type: text/plain; charset=us-ascii
that worked thanks
now just to sort my prefix Scheme code into postfix Factor
On 29 Jun 2015, at 16:33, Jon Harper jon.harpe...@gmail.com wrote:
Looking at listarray,
: listarray ( list -- array ) [ ] lmaparray ;
You can adapt it to recurse on lists:
IN: scratchpad : deeplistarray ( list -- array ) [ dup list? [
deeplistarray ] when ] lmaparray ;
IN: scratchpad 1 nil cons 2 nil cons nil cons nil cons cons deeplistarray .
{ { 1 } { { 2 } } }
Hope that helps,
Jon
Jon
On Mon, Jun 29, 2015 at 5:03 PM, Iain Gray iaing...@ednet.co.uk
mailto:iaing...@ednet.co.uk wrote:
that gave me
{ ~cons-state~ ~cons-state~ }
On 29 Jun 2015, at 15:22, John Benediktsson mrj...@gmail.com
mailto:mrj...@gmail.com wrote:
I think you need one more cons at the end, but listarray should work fine
recursively.
On Mon, Jun 29, 2015 at 5:37 AM, Iain Gray iaing...@ednet.co.uk
mailto:iaing...@ednet.co.uk wrote:
I make a list with
1 nil cons 2 nil cons nil cons nil cons
but listarray displays only top level, can it descend recursively?
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Re: [Factor-talk] nested nil lists
Maybe you already know, but factor doesn't use lists in the same
capacity as scheme and other lisp-variants. Instead it uses sequences.
So to construct a one-item sequence where the first element is f (~=
nil):
IN: scratchpad f 1array
Or just use a literal:
IN: scratchpad { f }
2015-07-03 11:14 GMT+02:00 Iain Gray iaing...@ednet.co.uk:
in Scheme I can evaluate (list ‘()) to get ‘(())
as a nested null list
Factor supplies nil (+nil+) but I can’t seem to get the above using cons,
1list etc.
is this not the natural way to do this in Factor?
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mvh/best regards Björn Lindqvist
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[Factor-talk] nested nil lists
in Scheme I can evaluate (list ‘()) to get ‘(()) as a nested null list Factor supplies nil (+nil+) but I can’t seem to get the above using cons, 1list etc. is this not the natural way to do this in Factor? -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ ___ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk
Re: [Factor-talk] nested nil lists
is nil nil cons ok? On 3 Jul 2015, at 10:14, Iain Gray iaing...@ednet.co.uk wrote: in Scheme I can evaluate (list ‘()) to get ‘(()) as a nested null list Factor supplies nil (+nil+) but I can’t seem to get the above using cons, 1list etc. is this not the natural way to do this in Factor? -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ ___ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk -- Don't Limit Your Business. Reach for the Cloud. GigeNET's Cloud Solutions provide you with the tools and support that you need to offload your IT needs and focus on growing your business. Configured For All Businesses. Start Your Cloud Today. https://www.gigenetcloud.com/ ___ Factor-talk mailing list Factor-talk@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/factor-talk
