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2018-01-14T18:53:48Z ecraven: what would a bytevector function analogous to substring be called? subbytevector?
2018-01-14T18:54:22Z ecraven: bytevector-copy is what r7rs uses :-/
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2018-01-14T18:58:03Z jcowan: ecraven: substring is sort of softly-deprecated in favor of string-copy, which is a more uniform name
2018-01-14T18:58:15Z ecraven: ah, didn't realize that ;)
2018-01-14T18:58:19Z ecraven: ok, then -copy is the way to go
2018-01-14T18:58:29Z jcowan: however, since it takes a fixed number of arguments it may execute faster on some systems
2018-01-14T19:00:10Z jcowan: srfi 135 (immutable texts) does have "subtext" and "subtextual", though
2018-01-14T19:00:18Z jcowan: as well as textual-copy
2018-01-14T19:00:57Z ecraven: well, we can leave cleaning up inconsistencies to r8rs or so :D
2018-01-14T19:02:49Z jcowan: not really an inconsistency to have an extra name here or there
2018-01-14T19:03:19Z jcowan: that's why I pushed to legitimate call/cc in r7rs as well as (bletch) call-with-current-continuation
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2018-01-14T19:04:03Z ecraven: jcowan: I'm not sure I totally agree, it makes a difference when reading code, I think
2018-01-14T19:04:40Z jcowan: well, yes, there are more names to learn, but really "substring" is fairly intuitive
2018-01-14T19:05:07Z ecraven: yea, but if I see substring, I will try subbytevector next, and will be surprised it doesn't work
2018-01-14T19:05:24Z jcowan: in r5rs they don't overlap very much: substring returns a part (not necessarily a proper part) of a string, string-copy copies a whole string
2018-01-14T19:05:48Z jcowan: in r7rs we added optional "start end" arguments to all copiers, and that made substring redundant, but there was no real reason to leave it out
2018-01-14T19:06:11Z jcowan: subtext(ual) exist probably to make texts nearly a drop-in replacement for strings
2018-01-14T19:06:40Z ecraven: yea, I understand, not blaming anyone, it just feels superfluous now.. is there a notion of deprecation in the rnrs?
2018-01-14T19:07:17Z jcowan: Formally no, but we could add it
2018-01-14T19:08:15Z ecraven: not that people would agree on *what* to deprecate, but it might be worth thinking about. so far, deprecated things have just been dropped in the next rnrs, I think?
2018-01-14T19:08:37Z jcowan: not sure
2018-01-14T19:08:54Z jcowan: nothing has been dropped since r4rs, I don't think
2018-01-14T19:09:08Z ecraven: transcript :P
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2018-01-14T19:11:50Z jcowan: true
2018-01-14T19:14:17Z jcowan: In r3rs, #!true #!false #!null named-lambda rec sequence append! string-null? substring-fill! substring-move-left! substring-move-right! object-hash object-unhash 1+ -1+ =? <? >? <=? >=? were dropped
2018-01-14T19:14:43Z jcowan: in r4rs, t nil approximate last-pair were dropped
2018-01-14T19:15:32Z wasamasa: so we're getting back to r3rs with r7rs?
2018-01-14T19:16:03Z jcowan chuckles
2018-01-14T19:16:07Z jcowan: Up to a point, Minister.
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2018-01-14T19:16:59Z wasamasa: ok, it's #true and #false, not #!true and #!false
2018-01-14T19:17:02Z ecraven: I still *really* don't understand #!true and #!false
2018-01-14T19:17:08Z ecraven: ah, right, it is
2018-01-14T19:17:31Z jcowan: They were just early syntaxes for #t and #f.  Scheme has always had two boolean objects, it just changes the spelling from tyme to tyme.
2018-01-14T19:18:26Z ecraven: yea, but now we have both #t *and* #true
2018-01-14T19:18:36Z jcowan: #true and #false got into r7rs-small at foof's insistence: he claimed there was a problem telling #t from #f at a quick glance
2018-01-14T19:18:51Z jcowan: We also have both 3.0 and 3.00
2018-01-14T19:18:56Z ecraven: hm.. seems like a font issue :P
2018-01-14T19:19:27Z jcowan: Some things that were dropped were just oversights, like (lambda (a a a a) ...) used to be legal
2018-01-14T19:19:41Z ecraven: well, that's ok, that is an actual bug
2018-01-14T19:20:07Z jcowan: right
2018-01-14T19:20:51Z jcowan: rec will probably return in the Yellow Edition; it's a one-line convenience macro
2018-01-14T19:22:43Z jcowan: approximate is said to be dropped in r4rs but does not appear in r3rs
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2018-01-14T19:22:48Z jcowan: unfortunately, r2rs is not searchable
2018-01-14T19:25:14Z jcowan: but it does not appear to exist there either
2018-01-14T19:25:15Z jcowan: a dord
2018-01-14T19:25:35Z jcowan: https://en.wikipedia.org/wiki/Dord
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2018-01-14T19:47:42Z X-Scale: jcowan: I wonder if R2RS you refere to is this document from W. Clinger, back in 1985, named "The Revised Revised Report on Scheme or An Uncommon Lisp", located at http://hdl.handle.net/1721.1/5600
2018-01-14T19:47:49Z X-Scale: refer*
2018-01-14T19:48:01Z jcowan: yes
2018-01-14T19:48:22Z jcowan: calling it r2rs is unhistorical, but makes it clear that it was the predecessor of r3rs
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2018-01-14T19:49:08Z jcowan: you can get all the scheme reports from https://bitbucket.org/cowan/r7rs/src/default/rnrs/
2018-01-14T19:50:46Z jcowan: r2rs is the first one that looks like a standard: r0rs and r1rs are genuinely reports on what gls's original scheme system did, and they don't document most of the standard procedures because they came from the substrate, maclisp
2018-01-14T19:52:05Z jcowan: r2rs is where Scheme broke loose from the Maclisp/Common Lisp tradition of procedure names
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2018-01-14T20:14:31Z lolman: how do I generate code in macros with a loop, can syntax-rules only do simple substitutions? Is there any good resource to learn?
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2018-01-14T20:18:50Z X-Scale: jcowan: thank you for putting all the Scheme reports together at a single place.
2018-01-14T20:19:34Z jcowan: To serve the Public is the aim / of every hacker worth the name.
2018-01-14T20:19:59Z klovett: lolman: recursion
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2018-01-14T20:34:21Z lolman: hmm
2018-01-14T20:34:25Z lolman: I don't understand
2018-01-14T20:35:04Z lolman: If I have a macro that takes a list then can I match against car and cdr. And then reinvoke the macro in the cdr case?
2018-01-14T20:35:59Z ecraven: what kind of macro? syntax-rules?
2018-01-14T20:36:14Z lolman: yes
2018-01-14T20:36:41Z ecraven: you can use the list directly with ...
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2018-01-14T20:37:49Z lolman: I want to emit code for each element in the list
2018-01-14T20:38:07Z ecraven: (define-syntax foo (syntax-rules () ((foo x) '(only one x)) ((foo x ...) '((every x) ...))))
2018-01-14T20:38:28Z ecraven: then you can do ((_ x ...) (begin (emit x) ...))
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2018-01-14T20:38:43Z ecraven: that will transform (_ 1 2 3) into (begin (emit 1) (emit 2) (emit 3))
2018-01-14T20:39:00Z ecraven: you can also recurse down the list, but this way is a bit less verbose
2018-01-14T20:40:32Z lolman: oh right
2018-01-14T20:40:42Z lolman: it just works like that, thanks man!
2018-01-14T20:40:54Z ecraven: welcome ;)
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2018-01-14T23:18:28Z ben3: .clc,as
2018-01-14T23:18:31Z ben3: ~,
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2018-01-14T23:19:46Z qu1j0t3: damn, cats writing assembler now
2018-01-14T23:26:24Z aeth: they're learning
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