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closed the connection] 07:26:11 answer_42 [~answer_42@gateway/tor-sasl/answer42/x-66983568] has joined #scheme 07:41:07 -!- jonrafkind [~jon@racket/jonrafkind] has quit [Ping timeout: 260 seconds] 07:46:09 MichaelRaskin [~MichaelRa@195.208.66.22] has joined #scheme 07:49:03 civodul [~user@193.50.110.192] has joined #scheme 07:50:00 -!- kilimanjaro [~kilimanja@unaffiliated/kilimanjaro] has quit [Ping timeout: 264 seconds] 07:51:16 -!- toekutr [~user@50-0-51-11.dsl.static.sonic.net] has quit [Remote host closed the connection] 07:54:28 -!- LAMMJohnson [~ja@user-5af434fc.broadband.tesco.net] has quit [Remote host closed the connection] 07:59:20 jarod_ch_ [~jarod_che@115.193.163.175] has joined #scheme 08:04:56 ura [~ura@unaffiliated/ura] has joined #scheme 08:05:03 Good morning 08:05:45 please take a look at http://dpaste.org/4VCQ8/ 08:06:24 Can you explain why call/cc returns another continuation? 08:07:15 I mean I don't understand the line 3. 08:09:14 What value is returned by call/cc at line 3? Looks like another continuation, but lambda form of this call/cc does not return the continuation 08:09:53 the return value from call/cc is the value you pass to the continuation 08:10:10 yacks [~yacks@180.151.36.168] has joined #scheme 08:10:29 -!- robot-beethoven [~user@c-24-118-142-0.hsd1.mn.comcast.net] has quit [Quit: ERC Version 5.3 (IRC client for Emacs)] 08:11:18 klez [hidden-use@91.207.150.2] has joined #scheme 08:11:50 sure, looks like continuation is passed at line 11 08:14:10 ura: you set! iterator to be the 'resume' continuation, so when you (call/cc iterator) from (generator), will passes in the continuation of (generator) 08:15:23 call/cc is such a horrible interface 08:15:33 robot-beethoven [~user@c-24-118-142-0.hsd1.mn.comcast.net] has joined #scheme 08:16:02 dEPY [~dEPY@46-150-62-58.cable.teleing.net] has joined #scheme 08:16:19 my brain is twisting, but looks like I starting to understand ;-) escaping is easy part (like non local returns in lisp), but control passing is not as easy 08:17:01 my advice is, once you feel you understand call/cc. learn delimited continuations, and then forget about call/cc 08:18:45 -!- mutley89 [~mutley89@host86-140-53-114.range86-140.btcentralplus.com] has quit [Ping timeout: 248 seconds] 08:20:27 Thanks I will, I've already seen a mention about continuations with shift/reset. But first I like will understand call/cc fully. It's not a practical need, but a puzzle which I like to solve. 08:28:07 jarod_c__ [~jarod_che@125.119.103.177] has joined #scheme 08:28:24 -!- jarod_ch_ [~jarod_che@115.193.163.175] has quit [Ping timeout: 264 seconds] 08:28:53 is there a tools for continuation introspection, it would helped me to understand if I can examine continuation (like too see line at which it was created and see a call stack) 08:30:17 -!- jarod_c__ [~jarod_che@125.119.103.177] has quit [Read error: Connection reset by peer] 08:31:30 (display return) is not very helpful, it just prints something like # 08:31:38 jarod_ch_ [~jarod_che@125.119.103.177] has joined #scheme 08:33:53 I don't know of one 08:34:55 phax [~phax@unaffiliated/phax] has joined #scheme 08:38:24 -!- phax [~phax@unaffiliated/phax] has quit [Client Quit] 08:43:44 "iterator" never exits, it just jumps to "generator" continuation and back ("call/cc" inside "generator"), that's why it needs to update "return" each time (after first run iterator is no more a function, it's continuation, and calling it it's just jumping to the code, and each time "call/cc" returns continuation of every new call of "generator" 08:44:14 looks like understand a bit, but I will write some own test cases to make understanding solid 08:47:05 agumonkey [~agu@8.158.70.86.rev.sfr.net] has joined #scheme 08:47:14 -!- juxovec [~juxovec@88.103.13.78] has quit [Remote host closed the connection] 08:50:32 -!- jarod_ch_ [~jarod_che@125.119.103.177] has quit [Ping timeout: 246 seconds] 08:51:02 jarod_ch_ [~jarod_che@183.128.143.223] has joined #scheme 08:51:14 Flame_Alchemist [~Flame_Alc@host21-99-dynamic.6-79-r.retail.telecomitalia.it] has joined #scheme 08:53:39 Fuxiang [~Fuxiang@125.73.55.152] has joined #scheme 09:09:27 -!- Flame_Alchemist [~Flame_Alc@host21-99-dynamic.6-79-r.retail.telecomitalia.it] has quit [Read error: Connection reset by peer] 09:11:29 Flame_Alchemist [~Flame_Alc@host21-99-dynamic.6-79-r.retail.telecomitalia.it] has joined #scheme 09:14:57 snowylike [~sn@91-67-171-156-dynip.superkabel.de] has joined #scheme 09:21:41 -!- zacts [~lcc@174-28-191-187.albq.qwest.net] has quit [Ping timeout: 246 seconds] 09:23:32 zacts [~lcc@67-0-143-175.albq.qwest.net] has joined #scheme 09:35:40 -!- Fuxiang [~Fuxiang@125.73.55.152] has quit [Quit: ] 09:51:33 -!- adiii [~adityavit@c-76-117-52-187.hsd1.nj.comcast.net] has quit [Ping timeout: 248 seconds] 09:52:13 -!- zacts [~lcc@67-0-143-175.albq.qwest.net] has quit [Ping timeout: 240 seconds] 09:54:25 zacts [~lcc@67-0-153-143.albq.qwest.net] has joined #scheme 10:04:30 -!- snowylike [~sn@91-67-171-156-dynip.superkabel.de] has quit [Quit: Nettalk6 - www.ntalk.de] 10:06:54 -!- peterhil [~peterhil@91-157-48-10.elisa-laajakaista.fi] has quit [Quit: Must not waste too much time here...] 10:13:07 peterhil [~peterhil@91-157-48-10.elisa-laajakaista.fi] has joined #scheme 10:13:23 -!- agumonkey [~agu@8.158.70.86.rev.sfr.net] has quit [Read error: Operation timed out] 10:13:34 -!- peterhil [~peterhil@91-157-48-10.elisa-laajakaista.fi] has quit [Remote host closed the connection] 10:17:04 Flame_Alchemist_ [~Flame_Alc@host21-99-dynamic.6-79-r.retail.telecomitalia.it] has joined #scheme 10:18:31 -!- Flame_Alchemist [~Flame_Alc@host21-99-dynamic.6-79-r.retail.telecomitalia.it] has quit [Ping timeout: 264 seconds] 10:21:39 peterhil [~peterhil@91-157-48-10.elisa-laajakaista.fi] has joined #scheme 10:24:54 -!- Flame_Alchemist_ [~Flame_Alc@host21-99-dynamic.6-79-r.retail.telecomitalia.it] has quit [Ping timeout: 258 seconds] 10:27:25 -!- pcl [~pcl@cpe-68-174-132-160.nyc.res.rr.com] has quit [Quit: Leaving.] 10:29:20 -!- fgudin_ is now known as fgudin 10:29:57 -!- b4283 [~b4283@60-249-196-111.HINET-IP.hinet.net] has quit [Ping timeout: 248 seconds] 10:38:24 masm [~masm@bl6-169-4.dsl.telepac.pt] has joined #scheme 10:42:36 -!- peterhil [~peterhil@91-157-48-10.elisa-laajakaista.fi] has quit [Quit: Must not waste too much time here...] 10:44:35 -!- dEPY [~dEPY@46-150-62-58.cable.teleing.net] has quit [Read error: Connection reset by peer] 10:44:35 dEPY [~dEPY@46-150-62-58.cable.teleing.net] has joined #scheme 10:57:12 -!- araujo [~araujo@gentoo/developer/araujo] has quit [Ping timeout: 264 seconds] 10:59:00 -!- Nisstyre-laptop [~yours@oftn/member/Nisstyre] has quit [Ping timeout: 264 seconds] 11:02:31 araujo [~araujo@gentoo/developer/araujo] has joined #scheme 11:13:05 izisf [~izisf@16.81-167-72.customer.lyse.net] has joined #scheme 11:26:25 RageOfThou [~RageOfTho@cable-77-221-21-70.dynamic.telemach.ba] has joined #scheme 11:32:21 -!- jarod_ch_ [~jarod_che@183.128.143.223] has quit [Quit: Textual IRC Client: http://www.textualapp.com/] 11:32:39 ijp: But but but but...then I'd have to get a new car plate! 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I reckon at least one situation in day-to-day programming so far where I felt call/cc would've helped (it was in Elisp), can't remember what exactly it was. 13:30:50 carleastlund [~cce@209-6-40-238.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com] has joined #scheme 13:30:56 -!- carleastlund [~cce@209-6-40-238.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com] has quit [Client Quit] 13:31:13 carleastlund [~cce@209-6-40-238.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com] has joined #scheme 13:33:04 int0x80 [~chatzilla@122.167.4.28] has joined #scheme 13:34:23 Yes, that's pretty obscure. 13:34:34 This is much cuter: 13:34:47 (define (yield-list list) (shift yield (for-each yield list))) 13:34:58 (reset (let ((x (yield-list '(a b c)))) (write x) (newline))) 13:36:26 jeapostrophe [~jay@lallab.cs.byu.edu] has joined #scheme 13:36:26 -!- jeapostrophe [~jay@lallab.cs.byu.edu] has quit [Changing host] 13:36:26 jeapostrophe [~jay@racket/jeapostrophe] has joined #scheme 13:36:56 jaaso [~user@178.239.31.138] has joined #scheme 13:37:47 in continuation to discussion about continuations, please take a look at: http://dpaste.org/IAhY0/ 13:38:03 Should this code produce just double Enter/Leave output? 13:38:32 gambit scheme end up in endless loop, tinyscheme prints Enter/Leave/Enter (without final Leave) 13:39:58 Depends on how you run it. 13:40:15 If you enter it line by line at a REPL, it'll go once and return to the REPL. 13:40:30 If you evaluate it in one swell foop, it'll loop endlessly. 13:41:07 tinyscheme might process files as if feeding them line by line (well, form by form) into the REPL. 13:41:20 I was running it from command line, e.g. "gsi test.scm" or "tinyscheme test.scm" 13:41:50 If tinyscheme does this, it's broken, but that's no surprise. 13:41:54 I just tried to copy&paste to gambit scheme REPL and everything worked as expected. 13:42:15 Why result is different depending on how I run script? 13:43:21 If you type it into the REPL, what's the next thing to do after evaluating the (dynamic-wind ...) form? 13:43:39 Returning to REPL :-) 13:43:43 Ah I see, thanks! 13:43:49 Exactly. 13:51:02 -!- jaaso [~user@178.239.31.138] has quit [Remote host closed the connection] 13:57:54 adiii [~adityavit@c-76-117-52-187.hsd1.nj.comcast.net] has joined #scheme 13:59:28 Riastradh: Was your yield-list example meant seriously ? I couldn't grok what it does yet (have to refresh my delimited-continuation knowledge), but crossing define-boundaries makes me worry. 13:59:47 Mmmmm shift/reset 14:00:58 -!- gravicappa [~gravicapp@ppp91-77-181-59.pppoe.mtu-net.ru] has quit [Ping timeout: 258 seconds] 14:04:59 -!- przl [~przlrkt@p5B2980CB.dip0.t-ipconnect.de] has quit [Ping timeout: 255 seconds] 14:06:14 langmartin [~user@host-68-169-175-226.WISOLT2.epbfi.com] has joined #scheme 14:15:06 taylanub: it's no different really than an exception leaving a function and being caught in another 14:15:23 ...except that the usual shift/reset isn't tagged 14:16:31 gravicappa [~gravicapp@ppp91-77-189-33.pppoe.mtu-net.ru] has joined #scheme 14:18:03 -!- adu_ is now known as adu 14:20:54 b4283 [~b4283@1-172-81-237.dynamic.hinet.net] has joined #scheme 14:21:52 przl [~przlrkt@p5B2980CB.dip0.t-ipconnect.de] has joined #scheme 14:24:04 Hrm, I think my shift/reset knowledge is broken. 14:25:15 coderarity [~coderarit@fsf/member/coderarity] has joined #scheme 14:28:19 taylanub, yep, it's serious. 14:29:05 The reset/shift thing turns (let ((x [])) (write x) (newline)) into a procedure and evaluates the FOR-EACH at the outside, so it's the same as (for-each (lambda (frobnitz) (let ((x frobnitz)) (write x) (newline))) '(a b c)). 14:29:34 Or, (let ((yield (lambda (frobnitz) (let ((x frobnitz)) (write x) (newline))))) (for-each yield '(a b c))). 14:31:15 -!- przl [~przlrkt@p5B2980CB.dip0.t-ipconnect.de] has quit [Ping timeout: 258 seconds] 14:40:08 izisf_ [~izisf@16.81-167-72.customer.lyse.net] has joined #scheme 14:41:01 -!- izisf [~izisf@16.81-167-72.customer.lyse.net] has quit [Read error: Connection reset by peer] 14:52:14 -!- int0x80 [~chatzilla@122.167.4.28] has quit [Ping timeout: 255 seconds] 14:52:43 -!- jeapostrophe [~jay@racket/jeapostrophe] has quit [Ping timeout: 264 seconds] 14:54:43 przl [~przlrkt@p5B2980CB.dip0.t-ipconnect.de] has joined #scheme 14:55:24 -!- copumpkin [~copumpkin@unaffiliated/copumpkin] has quit [Ping timeout: 264 seconds] 14:55:33 mahhhh [3b9585ad@gateway/web/freenode/ip.59.149.133.173] has joined #scheme 14:55:49 Any one played with minikanren? 14:55:53 copumpkin [~copumpkin@unaffiliated/copumpkin] has joined #scheme 14:56:34 dnolen [~user@cpe-74-64-61-245.nyc.res.rr.com] has joined #scheme 14:56:48 yes? 14:57:32 which scheme is good for it? I tried guile and coudn't load 14:57:48 I packaged it for guile 14:57:55 -!- metasyntax` [~tvenable@proxy5.med-web.com] has quit [Quit: Leaving] 14:58:24 ";;; This file was generated by writeminikanren.pl" I laughed. 14:58:39 if you are a guildhall user, you can get it from there 14:58:44 I'm trying chicken right now, but still some error about usage of define-syntax 14:59:33 Error: during expansion of (let ...) - in `let' - pair expected: (let ((id (logical-variable (quote id))) ...) (all ant ant* ...)) 15:00:35 mutley89 [~mutley89@host86-162-137-53.range86-162.btcentralplus.com] has joined #scheme 15:03:29 sambio [~sambio@190.57.227.109] has joined #scheme 15:05:13 -!- przl [~przlrkt@p5B2980CB.dip0.t-ipconnect.de] has quit [Ping timeout: 256 seconds] 15:06:32 int0x80 [~chatzilla@122.167.4.28] has joined #scheme 15:06:35 przl [~przlrkt@p5B2980CB.dip0.t-ipconnect.de] has joined #scheme 15:06:46 -!- int0x80 [~chatzilla@122.167.4.28] has quit [Client Quit] 15:15:48 -!- dnolen [~user@cpe-74-64-61-245.nyc.res.rr.com] has quit [Ping timeout: 264 seconds] 15:27:42 -!- Riastradh [~riastradh@fsf/member/riastradh] has quit [Ping timeout: 276 seconds] 15:29:52 Fare [~fare@173-9-65-97-NewEngland.hfc.comcastbusiness.net] has joined #scheme 15:32:44 mahhhh: I don't know without seeing more of your code, but it looks like you used "" outside of a syntax template, so it's being treated literally rather than actually repeating the preceding form. 15:41:48 Riastradh 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