We have a few "talks" that were given a number of years ago (not all code
in them is up to date, but it's mostly good -- if you have problems
updating the code let me know and I can help):
https://github.com/factor/factor/tree/master/extra/talks
https://github.com/slavapestov/boston-lisp-talk
https://github.com/slavapestov/emerging-langs-talk
You might find it interesting to discuss "Java-like" things, for example,
interfaces vs protocols:
public interface Foo {
String a();
int b();
}
public class FooImpl {
public String a() { return "hello" } ;
public int b() { return 42 } ;
}
vs a protocol (two generic methods) and a concrete class that implements
it...
GENERIC: a ( obj -- a )
GENERIC: b ( obj -- a )
TUPLE: foo ;
M: foo a "hello" ;
M: foo b 42 ;
Could also talk about ``SINGLETON:``, so instead of (plus or minus thread
safety):
public class Foo {
private static _instance = null;
public static Foo getInstance() {
if ( _instance == null ) { _instance = new Foo() };
return _instance;
}
}
vs.
SINGLETON: foo
So, touching on code generation and higher level concepts.
Maybe macros might be interesting?
Some other ideas from my blog, not sure of your audience's interest:
https://re-factor.blogspot.com/2009/08/calculating-with-ebnf.html
https://re-factor.blogspot.com/2010/11/estimating-cpu-speed.html
https://re-factor.blogspot.com/2011/02/simple-rpg.html
https://re-factor.blogspot.com/2011/04/powers-of-2.html
https://re-factor.blogspot.com/2011/04/mail-with-gui.html
https://re-factor.blogspot.com/2011/07/concatenative-thinking.html
https://re-factor.blogspot.com/2011/07/one-liners.html
https://re-factor.blogspot.com/2011/08/printf.html
https://re-factor.blogspot.com/2012/02/readability.html
https://re-factor.blogspot.com/2012/08/literate-programming.html
https://re-factor.blogspot.com/2013/10/rock-paper-scissors.html
https://re-factor.blogspot.com/2015/06/send-more-money.html
https://re-factor.blogspot.com/2017/02/711.html
Best,
John.
On Tue, May 30, 2017 at 8:14 PM, Sankaranarayanan Viswanathan <
rationalrev...@gmail.com> wrote:
> Hi Guys,
>
> We have a developer community at where I work, and we do monthly tech
> talks that usually last between 30 and 40 minutes. I presume very few in
> that group have looked at stack based languages before, and I've been
> wanting to do a small talk about Factor there.
>
> After spending a week preparing slides, I'm having a bit of trouble
> understanding what would be a meaningful scope for my talk. I really want
> to touch upon a couple of aspects:
> - show what stack based code looks like (i.e. avoid naming variables most
> of the time)
> - show that all syntax is just words, and that syntax is extensible
> - show a little of the help system
> - show a bit of the interactive development workflow (change, refresh,
> test)
>
> But, I'm suspecting before I even get here I might need to spend a lot of
> time talking about stack-effects, combinators, and other basics before they
> might get a feel for what factor code feels like. And this I'm afraid might
> be a little too much to digest in a short time. Words like dip, bi@ and
> sequence combinators like map seem fundamental to work with factor, and I'm
> afraid a short presentation might not be the best place to introduce these
> topics. But, without them code examples are going to be hard to understand.
>
> Any ideas?
>
> Thanks,
> Sankar
>
>
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