# General **URL:** https://racket.discourse.group/c/general/12.md?page=9 [Latest](https://racket.discourse.group/latest.md) · [Categories](https://racket.discourse.group/categories.md) · [Tags](https://racket.discourse.group/tags.md) **Page:** 10 --- ## [\[ANN\] Doom Emacs supports Racket Mode's racket-hash-lang-mode](https://racket.discourse.group/t/ann-doom-emacs-supports-racket-modes-racket-hash-lang-mode/3167)
**Author:** [@sorawee](https://racket.discourse.group/u/sorawee)\ **Replies:** 0\ **Last updated:** [September 12, 2024, 12:15am UTC](https://racket.discourse.group/t/ann-doom-emacs-supports-racket-modes-racket-hash-lang-mode/3167 "2024-09-12T00:15:23Z")
Doom Emacs recently supports racket-hash-lang-mode in Racket Mode via the +hash-lang flag. Rhombus files are now also recognized by default. --- ## [Autumn Lisp Game Jam 2024](https://racket.discourse.group/t/autumn-lisp-game-jam-2024/3163)
**Author:** [@Kamen](https://racket.discourse.group/u/Kamen)\ **Replies:** 0\ **Last updated:** [September 10, 2024, 4:36pm UTC](https://racket.discourse.group/t/autumn-lisp-game-jam-2024/3163 "2024-09-10T16:36:28Z")
Dave Thompson (of Guile Chickadee, The Spritely Institute, and - tips hat - Guile Hoot fame) has announced the 2024 Autumn Lisp Game Jam over at itch\_io: In the opinion of this Racketeer wannabe, the Lisp Game Jam is … --- ## [Only 25 days till RacketCon](https://racket.discourse.group/t/only-25-days-till-racketcon/3162)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [September 10, 2024, 4:07pm UTC](https://racket.discourse.group/t/only-25-days-till-racketcon/3162 "2024-09-10T16:07:09Z")
25 DAYS TILL RacketCon https://con.racket-lang.org/ https://www.timeanddate.com/countdown/launch?iso=20241005T0830&p0=234&msg=RacketCon+2024&ud=2&font=cursive&csz=1 To register, buy a ticket via Eventbrite. If you … --- ## [Racket meet-up: Saturday, 7 September, 2024 at 18:00 UTC](https://racket.discourse.group/t/racket-meet-up-saturday-7-september-2024-at-18-00-utc/3156)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [September 6, 2024, 8:42pm UTC](https://racket.discourse.group/t/racket-meet-up-saturday-7-september-2024-at-18-00-utc/3156 "2024-09-06T20:42:05Z")
Everyone is welcome to join us on Jitsi Meet for the Racket meet-up: Saturday, 7 September, 2024 at 18:00 UTC In your timezone: 2024-09-07T18:00:00Z (UTC). (converter) At this meet-up: RacketCon https://con.racket-la… --- ## [LangDev Conference 2024](https://racket.discourse.group/t/langdev-conference-2024/3153)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [September 6, 2024, 11:49am UTC](https://racket.discourse.group/t/langdev-conference-2024/3153 "2024-09-06T11:49:47Z")
Hi, I just noticed the LangDev Conference is happening in Seville, 17-19 October 2024. (Only a couple of weeks after RacketCon at University of Washington October 5-6 - get your tickets now https://con.racket-lang.org/) … --- ## [Change "name" configuration of snapshot builds?](https://racket.discourse.group/t/change-name-configuration-of-snapshot-builds/3087)
**Author:** [@mflatt](https://racket.discourse.group/u/mflatt)\ **Replies:** 3\ **Last updated:** [September 5, 2024, 12:57pm UTC](https://racket.discourse.group/t/change-name-configuration-of-snapshot-builds/3087 "2024-09-05T12:57:55Z")
Short version: I propose that we change the snapshot builds to be more like regular releases: Use the snapshot version number as the installation's "name", which affects the way that packages get installed by default. L… --- ## [\[TFP 2025 Call for Papers\] 25th International Symposium on Trends in Functional Programming (Oxford, UK)](https://racket.discourse.group/t/tfp-2025-call-for-papers-25th-international-symposium-on-trends-in-functional-programming-oxford-uk/3150)
**Author:** [@peter88](https://racket.discourse.group/u/peter88)\ **Replies:** 0\ **Last updated:** [September 4, 2024, 8:14am UTC](https://racket.discourse.group/t/tfp-2025-call-for-papers-25th-international-symposium-on-trends-in-functional-programming-oxford-uk/3150 "2024-09-04T08:14:41Z")
TFP 2025 – Call for Papers (trendsfp.github.io) Important Dates Submission deadline (pre-symposium, full papers): Wed 13th Nov 2024 (AOE) Notification (pre-symposium, full papers): Wed 11th Dec 2024 Submission … --- ## [Have you got your RacketCon ticket yet?](https://racket.discourse.group/t/have-you-got-your-racketcon-ticket-yet/3143)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [September 1, 2024, 4:24pm UTC](https://racket.discourse.group/t/have-you-got-your-racketcon-ticket-yet/3143 "2024-09-01T16:24:11Z")
Have you got your RacketCon ticket yet? poll Get yours at https://con.racket-lang.org/ - remote and in-person available. --- ## [Few problems with last version of Racket](https://racket.discourse.group/t/few-problems-with-last-version-of-racket/3134)
**Author:** [@damien\_mattei](https://racket.discourse.group/u/damien_mattei)\ **Replies:** 2\ **Last updated:** [August 30, 2024, 8:34pm UTC](https://racket.discourse.group/t/few-problems-with-last-version-of-racket/3134 "2024-08-30T20:34:32Z")
hello, i got a problem yesterday that force me to upgrade from racket 8.13 to 8.14, the packet manager was freezing, i do not know exactly the cause but it seems that having in the available modules both a local on disk… --- ## [Scheme+ for R6RS and SRFI 105](https://racket.discourse.group/t/scheme-for-r6rs-and-srfi-105/3114)
**Author:** [@damien\_mattei](https://racket.discourse.group/u/damien_mattei)\ **Replies:** 0\ **Last updated:** [August 20, 2024, 5:19pm UTC](https://racket.discourse.group/t/scheme-for-r6rs-and-srfi-105/3114 "2024-08-20T17:19:52Z")
Hello, i released a modular version of Scheme+ compatible with Racket R6RS. Scheme+ for Racket R6RS The SRFI 105 Curly Infix parser is now external as a module. SRFI 105 Curly Infix for Racket and Racket R6RS. Ther… --- ## [Racket Survey 2024](https://racket.discourse.group/t/racket-survey-2024/3052)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 3\ **Last updated:** [August 19, 2024, 11:16am UTC](https://racket.discourse.group/t/racket-survey-2024/3052 "2024-08-19T11:16:08Z")
Hi, The Racket Survey is intended to better understand the needs of Racket users and the broader Racket community. https://docs.google.com/forms/d/e/1FAIpQLSc5dMpqUE6y0\_Wtb9s0ePFzbnNtNlYQpYfumAp94gdhdE1kVg/viewform?usp… --- ## [Higher Kinded Types](https://racket.discourse.group/t/higher-kinded-types/3103)
**Author:** [@qnc](https://racket.discourse.group/u/qnc)\ **Replies:** 0\ **Last updated:** [August 16, 2024, 7:29am UTC](https://racket.discourse.group/t/higher-kinded-types/3103 "2024-08-16T07:29:17Z")
I'm wondering whether HKTs are supported in Typed Racket. Take this Haskell snippet for example: type TypeApply f x = f x I've tried the following which didn't work: (define-type (TypeApply f x) (f x)) --- ## [Error 'cond: unbound identifier; also, no #%app syntax transformer is bound'](https://racket.discourse.group/t/error-cond-unbound-identifier-also-no-app-syntax-transformer-is-bound/3081)
**Author:** [@damien\_mattei](https://racket.discourse.group/u/damien_mattei)\ **Replies:** 12\ **Last updated:** [August 15, 2024, 10:09am UTC](https://racket.discourse.group/t/error-cond-unbound-identifier-also-no-app-syntax-transformer-is-bound/3081 "2024-08-15T10:09:55Z")
Hello, i have an error i can not resolve in racket/r6rs. The almost same code works in Guile (pure Guile) and Kawa (approx. r7rs) . I think it should works in Racket but i have re-written a lot of code in R6RS and i wi… --- ## [Racket on Pinebook Pro](https://racket.discourse.group/t/racket-on-pinebook-pro/3093)
**Author:** [@hendrikboom3](https://racket.discourse.group/u/hendrikboom3)\ **Replies:** 2\ **Last updated:** [August 15, 2024, 9:27am UTC](https://racket.discourse.group/t/racket-on-pinebook-pro/3093 "2024-08-15T09:27:37Z")
I've been thinking about getting a Pinebook Pro as an inexpensive travelling computer. I plan to use it for writing. But I wonder about using Racket on it. DrRacket is one of the tools I use for writing (I write code … --- ## [Flomat install under linux: can not find libfortran](https://racket.discourse.group/t/flomat-install-under-linux-can-not-find-libfortran/3088)
**Author:** [@damien\_mattei](https://racket.discourse.group/u/damien_mattei)\ **Replies:** 13\ **Last updated:** [August 14, 2024, 8:13am UTC](https://racket.discourse.group/t/flomat-install-under-linux-can-not-find-libfortran/3088 "2024-08-14T08:13:13Z")
hello, on a fresh linux install i can not install flomat package (sci) , as it was a new linux install i installed gcc, libfortran, ffi-dev but i still have the same error: any idea? regards, Damien --- ## [\`rlwrap racket\`](https://racket.discourse.group/t/rlwrap-racket/3084)
**Author:** [@not-just-yeti](https://racket.discourse.group/u/not-just-yeti)\ **Replies:** 2\ **Last updated:** [August 12, 2024, 4:16pm UTC](https://racket.discourse.group/t/rlwrap-racket/3084 "2024-08-12T16:16:59Z")
I've been setting up my .inputrc so that I can get vi-keybinding-goodness in various shells/repls. For racket, rlwrap ends up overwriting the "\>" prompt (I can see it momentarily, then it disappears). I ended up faking… --- ## [Kattis.com now allows racket](https://racket.discourse.group/t/kattis-com-now-allows-racket/3085)
**Author:** [@not-just-yeti](https://racket.discourse.group/u/not-just-yeti)\ **Replies:** 0\ **Last updated:** [August 12, 2024, 1:27am UTC](https://racket.discourse.group/t/kattis-com-now-allows-racket/3085 "2024-08-12T01:27:05Z")
The competetive coding site https://open.kattis.com recently added racket as one of their many allowed languages. If you try it out and run in to any issues, you can let them (or me) know! --- ## [Racket meet-up: Saturday, 3 August, 2024 at 18:00 UTC](https://racket.discourse.group/t/racket-meet-up-saturday-3-august-2024-at-18-00-utc/3073)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 1\ **Last updated:** [August 3, 2024, 2:51pm UTC](https://racket.discourse.group/t/racket-meet-up-saturday-3-august-2024-at-18-00-utc/3073 "2024-08-03T14:51:16Z")
Everyone is welcome to join us on Jitsi Meet for the Racket meet-up: Saturday, 3 August, 2024 at 18:00 UTC In your timezone: 2024-08-03T18:00:00Z (UTC). (converter) At this meet-up: Racket Survey 2024 Show and tell N… --- ## [RacketCon 2024 update 2-Aug-2024](https://racket.discourse.group/t/racketcon-2024-update-2-aug-2024/3070)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [August 2, 2024, 1:33pm UTC](https://racket.discourse.group/t/racketcon-2024-update-2-aug-2024/3070 "2024-08-02T13:33:36Z")
RacketCon planning is coming along nicely! We've locked down a few talks already, and a nice program is taking shape for October. There are still a few slots open, so if you've been working on some Racket-y stuff and wou… --- ## [Can high order function replace macro](https://racket.discourse.group/t/can-high-order-function-replace-macro/3063)
**Author:** [@WSWZhh](https://racket.discourse.group/u/WSWZhh)\ **Replies:** 5\ **Last updated:** [July 31, 2024, 9:20pm UTC](https://racket.discourse.group/t/can-high-order-function-replace-macro/3063 "2024-07-31T21:20:42Z")
The version of macro (define-syntax (hyphen-define/ok1 stx) (syntax-case stx () \[(\_ a b (args ...) body0 body ...) (syntax-case (datum-\>syntax #'a (string-\>symbol (for… --- ## [Call for Participation, Functional Software Architecture (Sep 6, Milan)](https://racket.discourse.group/t/call-for-participation-functional-software-architecture-sep-6-milan/3055)
**Author:** [@mike](https://racket.discourse.group/u/mike)\ **Replies:** 0\ **Last updated:** [July 29, 2024, 9:30am UTC](https://racket.discourse.group/t/call-for-participation-functional-software-architecture-sep-6-milan/3055 "2024-07-29T09:30:06Z")
Web version here: FUNARCH 2024 | Functional Architecture ====================================================================== \*\*\* FUNARCH 2024 -- CALL FOR PARTICIPATION \*\*\* The Second ACM SIGPLAN Workshop on… --- ## [Macro does not works in R6RS but in Racket](https://racket.discourse.group/t/macro-does-not-works-in-r6rs-but-in-racket/3050)
**Author:** [@damien\_mattei](https://racket.discourse.group/u/damien_mattei)\ **Replies:** 15\ **Last updated:** [July 28, 2024, 2:41pm UTC](https://racket.discourse.group/t/macro-does-not-works-in-r6rs-but-in-racket/3050 "2024-07-28T14:41:15Z")
hello, the code below used to works in Racket but not R6RS: #!r6rs (library (def) (export if-defined) (import (rnrs base (6)) (only (racket) identifier-binding)) ;;(define-syntax (if-defined stx) (d… --- ## [Does glob ever return strings? If not, should we update the docs?](https://racket.discourse.group/t/does-glob-ever-return-strings-if-not-should-we-update-the-docs/3049)
**Author:** [@benknoble](https://racket.discourse.group/u/benknoble)\ **Replies:** 4\ **Last updated:** [July 27, 2024, 2:24pm UTC](https://racket.discourse.group/t/does-glob-ever-return-strings-if-not-should-we-update-the-docs/3049 "2024-07-27T14:24:27Z")
I've only been able to observe glob from file/glob returning paths, but it is documented as returning a (listof path-string?). Are there actually cases where it returns strings? A few quick experiments indicate it only r… --- ## [Language sweet spots](https://racket.discourse.group/t/language-sweet-spots/2998)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 6\ **Last updated:** [July 26, 2024, 3:32am UTC](https://racket.discourse.group/t/language-sweet-spots/2998 "2024-07-26T03:32:48Z")
I saw an interesting response on another forum that talked about language design (+ implementation?) ‘sweet spots’. Racket hits a sweet spot for me with Parenthetical syntax expression based TCO Modules contracts and … --- ## [Dynamically sending keyword arguments](https://racket.discourse.group/t/dynamically-sending-keyword-arguments/3036)
**Author:** [@qnc](https://racket.discourse.group/u/qnc)\ **Replies:** 1\ **Last updated:** [July 18, 2024, 2:00pm UTC](https://racket.discourse.group/t/dynamically-sending-keyword-arguments/3036 "2024-07-18T14:00:16Z")
Racket has keyword-apply function to compensate apply's inability to pass keyword arguments dynamically. However, I can't see dynamic-send's keyword counterpart. What should I do to dynamically send an object's method wi… --- ## [Experiences coming from other languages to Racket?](https://racket.discourse.group/t/experiences-coming-from-other-languages-to-racket/170)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 23\ **Last updated:** [July 16, 2024, 8:54pm UTC](https://racket.discourse.group/t/experiences-coming-from-other-languages-to-racket/170 "2024-07-16T20:54:56Z")
In an effort to help new people coming to Racket the platform and the language this is an invitation to share your experiences coming from other platforms/languages to Racket. What surprised you when you came to Racket… --- ## [Contributing to Racket](https://racket.discourse.group/t/contributing-to-racket/542)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 19\ **Last updated:** [July 13, 2024, 8:37pm UTC](https://racket.discourse.group/t/contributing-to-racket/542 "2024-07-13T20:37:22Z")
Hi, Do we make it easy to contribute to Racket? I've listed the resources I am aware of below. Suggestions, PR's, comments, etc. all welcome! Help us make this better! best wishes, Stephen Resources that new memb… --- ## [Single-use macros](https://racket.discourse.group/t/single-use-macros/3022)
**Author:** [@qnc](https://racket.discourse.group/u/qnc)\ **Replies:** 3\ **Last updated:** [July 13, 2024, 1:18pm UTC](https://racket.discourse.group/t/single-use-macros/3022 "2024-07-13T13:18:01Z")
In addition to code-reuse, macros also come in handy for ad-hoc templating. I often have to repeat the following pattern: (define-syntax (xxx stx) #\`(... #,@(for/list ...) ...) xxx and never use xxx again. … --- ## [IPv6 fallback to IPv4](https://racket.discourse.group/t/ipv6-fallback-to-ipv4/1039)
**Author:** [@evdubs](https://racket.discourse.group/u/evdubs)\ **Replies:** 6\ **Last updated:** [July 9, 2024, 2:40am UTC](https://racket.discourse.group/t/ipv6-fallback-to-ipv4/1039 "2024-07-09T02:40:15Z")
I recently had an issue where my IPv6 connection was not working (ping google.com resolved to an IPv6 address and failed to get a response), but IPv4 was working (ping -4 google.com got responses). I was able to use Fire… --- ## [Racket meet-up: Saturday, 6 July, 2024 at 18:00 UTC](https://racket.discourse.group/t/racket-meet-up-saturday-6-july-2024-at-18-00-utc/3005)
**Author:** [@spdegabrielle](https://racket.discourse.group/u/spdegabrielle)\ **Replies:** 0\ **Last updated:** [July 6, 2024, 9:14am UTC](https://racket.discourse.group/t/racket-meet-up-saturday-6-july-2024-at-18-00-utc/3005 "2024-07-06T09:14:09Z")
In your timezone: 2024-07-06T18:00:00Z (UTC). (converter) At this meet-up: Hybrid Meet-ups? Show and tell News & rumours AOB This meet-up will be held at https://meet.jit.si/Racketmeet-up Racket meet-ups are on th… [Previous page](https://racket.discourse.group/c/general/12.md?page=8) [Next page](https://racket.discourse.group/c/general/12.md?page=10)