I hand-translated some very simple first order concatenative programs to a dataflow representation. I implemented the dataflow versions in Pure Data...
John Nowak
john@...
Jul 9, 2008 5:30 am
4111
Recently, I had been working on a problem in 5th. Because 5th is a linear language, it is impossible for any object to be referenced more than once (by...
John Nowak
john@...
Jul 18, 2008 7:54 am
4112
... What you've done is reinvent Fortran 66, which has exactly this model and uses a purely static store. It doesn't even need a stack except to hold return...
... Hah! Well, glad I'm making progress then... ... Aye, I had realized that at least. Good to know that I was right in my thinking, even if it be thinking...
John Nowak
john@...
Jul 18, 2008 9:35 pm
4114
Hello folks, The Staapl project has come to a point where it is ready for public scrutiny. http://zwizwa.be/staapl Staapl is a collection of abstractions for...
That's so awesome, a concatenative language for PICs with abstraction! Thanks for making this public. It sounds much better than programming in assembly. I...
In a functional language, the following optimization is valid (assuming F and G are pure functions that terminate): map G (map F xs) -> map (G . F) xs This...
John Nowak
john@...
Aug 1, 2008 8:52 am
4117
... Okay, I think I get this. (I certainly agree.) ... _This_ I don't understand. What does that mean? I would have said "this is an argument against...
... I think I understand. To summarize with Cat type notation: map : (list ('a -> 'a) -> list) map* : (list ('A 'b -> 'A 'b) -> list) In other words, "map"...
On Fri, Aug 1, 2008 at 7:01 AM, William Tanksley, Jr ... I agree with William. In a high level language, it'd generally be better if the compiler can figure...
... However, they *do* have a statically known stack effect. ... Yes it is (in most scenarios). ... That is a valid point. However, one of the benefits of...
... I mean that in languages like Factor, allowing the quotation given to 'map' to use any amount of the stack can make things difficult -- even if that...
John Nowak
john@...
Aug 1, 2008 9:06 pm
4122
... I don't understand when you're allowed to omit row variables in Cat's notation. I also think you mean "'a -> 'b" rather than "'a -> 'a". In any case, here...
John Nowak
john@...
Aug 1, 2008 9:21 pm
4123
... This is essentially the point I was trying to make. How strong of a point it is I am not sure. ... I think you need to be careful here. 'map*' acts...
John Nowak
john@...
Aug 1, 2008 9:37 pm
4124
I have been working hard on a virtual machine language called CVML (Concatenative Virtual Machine Language). I know I have been promising this for months, but...
I have started releasing the source code to CVML online. It is not yet complete, but for anyone really interested it might be a fun project to follow along....
... I recently posted a justification for the restricted order nature of 5th in responses to one of the comments on LtU: ...
John Nowak
john@...
Oct 17, 2008 3:00 pm
4131
It's been a long time since I've participated in this forum, but it hasn't been because of loss of interest. Mostly, I've been preoccupied with other things....
... --snip-- ... Having just read 75% of 'The collapse of chaos' by Cohen & Ian Stew[au]rt I'm less believing than when I read of some claimed successes in...
chris glur
crglur@...
Nov 15, 2008 7:32 am
4133
... Joy as the ... You might be interested in the work by Lee Spector on the Push, PushGP and Pushpop systems [1]. jan [1]...
or search back in the concatenative archives and read billy tanksley's remarks about his languages 01 and 10 and their suitability for darwinian evolutionary...
Stevan Apter
sa@...
Nov 16, 2008 7:25 pm
4135
... The nice thing about 01 (or 10, it's just a logical NOT away) is that you can cut and splice anything anywhere and it's still a valid program. The bad...
... From: "William Tanksley, Jr" <wtanksleyjr@...> ... perhaps you can post your 10 unit tests. i'd like to try running them in my implementation....
Stevan Apter
sa@...
Nov 16, 2008 10:00 pm
4137
Hi, you would probably be really interested in the work of Jurgen Schmidhuber, in particular the 'OOPS' optimal ordered problem solver[1]. It is an algorithm...
If it's to run as an auto-evolving machine, then decoding, analysing & reverse-engineering the results is not realistic. And not a goal. What is the advantage...
chris glur
crglur@...
Nov 18, 2008 4:37 pm
4139
Hello all. One of the problems I've run into with a second-order language is that you don't get partial application. (I've recently been able to extend the...
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