<ZombieChicken>
Anyone here mess with scribble/lp2? I have a program I've written/writing in it and it's really slow to start, and I'm wanting to know if scribble/lp2 might be the cause
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<clacke_movim>
bremner: that's how I've done it too. Would be nice if there were a form where the t/f would be implicit.
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<libertyprime>
in what situation would one prefer (cadddr '(4 3 2 1)) over (list-ref '(4 3 2 1) 3) or (fourth '(4 3 2 1))
<clacke_movim>
If you semantically consider the structure a tree.
<clacke_movim>
And (4 3 2 1) just accidentally also happens to be a list
<libertyprime>
cool. that makes sense
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<libertyprime>
out of curiousity, is there a racket language extension for emulating python/go's slice syntax
<clacke_movim>
The more common use case tho for cadddr is that old habits die hard :-)
<libertyprime>
or would that be worth trying to make. something like this: '(4 3 2 1)[3]
<libertyprime>
today i finally patched eww browser so that racket docs is a really nice experience in emacs
<libertyprime>
can finally read the racket docs in the darkness of my room
<clacke_movim>
Right, the use case might also be that you are in racket/base and don't want to require racket/list
<libertyprime>
totally. if i were a language i would totally steal slice syntax. its awesome
<libertyprime>
my understanding of racket syntax transformers is very limited. is it possible in racket to make language extensions which simply generate racket code, without that extension
<aeth>
libertyprime: ['(4 3 2 1) 3] would be Lispier, but unfortunately Racket already uses []
<aeth>
Maybe #[]?
<aeth>
The problem with this is that it's generic. You'd also want it to work on vectors and maybe even hash tables.
<aeth>
Besides the numerical tower, the Scheme approach to generics is generally to not do them. Scheme basically does efficient dynamic typing by making you associate the type with the procedure name, like list-ref. Something's either going to be a list or an error there.
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<aeth>
(I mostly use Racket for portable Scheme, so I wouldn't know the Racket way.)
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<libertyprime>
ive been digging through search.js but getting nowhere. perhaps the racket docs have a precompiled index
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<clacke_movim>
libertyprime: the incremental search works even when you are accessing the documentation from file:// with no internet access, so there is definitely an index file somewhere
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<clacke_movim>
bremner: it can remove one layer of nesting if you need a function, and I like that there are different forms and shortcuts like that, but you still have the explicit t/f
<bremner>
clacke_movim: ack. I noticed rackunit has check-match, which has the implicit t/f
<bremner>
not directly applicable, of course
<clacke_movim>
Ah, nice
<clacke_movim>
Maybe check how it was implemented
<clacke_movim>
If it uses match and a true and false cade, then you can stop searching for a nicer idiom :-)
<clacke_movim>
case*
<bremner>
it does. So I guess it's a guess of "make your own" if it repeats
<clacke_movim>
I'd call it (matches)
<clacke_movim>
Or perhaps (matches?)?
<bremner>
yeah, matches?
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<greghendershott>
libertyprime: Did you discover $HOME/.racket/<version>/doc/search/plt-index.js which is generated by make-search.rkt ?
<greghendershott>
I think that is (part of) the answer?
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<libertyprime>
greghendershott: thanks! i actually hadnt seen that yet
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<libertyprime>
greghendershott: its perfect. thanks. cant wait to set this up tomorrow
<libertyprime>
one thing i was really hoping to make (but didnt think i could until now) was a fuzzy function search, kinda like what emacs has for its own help system
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<greghendershott>
libertyprime: Maybe just use the standard completing-read
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<greghendershott>
If people want fuzzy matching, they can use ido-flex
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<greghendershott>
I mean the fly-ido package that enhances ido.
<greghendershott>
Or use company or helm or whatever the cool emacs kids are using lately ;)
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<greghendershott>
Or add your own function to the completion-at-point-functions list.
<greghendershott>
Depends what you want exactly. I guess I'm just pointing out that fuzzy completion already exists in various forms, if you want to use vs. roll your own.
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