[racket-users] Unfortunate error message for wrong number of arguments to a format string in printf

2020-08-19 Thread William Byrd
To wit:

Chez Scheme Version 9.5.3
Copyright 1984-2019 Cisco Systems, Inc.

> (printf "~s")


Exception in printf: too few arguments for control string "~s"
Type (debug) to enter the debugger.
>

Process scheme finished


Welcome to Racket v7.8 [cs].
> (printf "~s")

; /: division by zero [,bt for context]
>

Cheers,

--Will

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[racket-users] 2nd Call for Contributions: miniKanren 2019 [extended deadline May 27]

2019-05-13 Thread William Byrd
(Please note that the deadline has been extended!)

DEADLINE (*extended*): 27 May 2019, (Any time in the world)
WEBSITE: https://icfp19.sigplan.org/home/minikanren-2019
LOCATION: Berlin, Germany (co-located with ICFP)
DATE: 22 August 2019

The 2019 First miniKanren and Relational Programming Workshop is calling 
for submissions.

Full papers are due 27 May 2019.
Authors will be notified by 15 June 2019.
Camera-ready versions are due 30 June 2019.
All deadlines are (23:59 UTC-12), "Anywhere on Earth".

The miniKanren and Relational Programming Workshop is a new workshop for 
the miniKanren family of relational (pure constraint logic programming) 
languages: miniKanren, microKanren, core.logic, OCanren, Guanxi, etc.  The 
workshop solicits papers and talks on the design, implementation, and 
application of miniKanren-like languages.  A major goal of the workshop is 
to bring together researchers, implementors, and users from the miniKanren 
community, and to share expertise and techniques for relational 
programming.  Another goal for the workshop is to push the state of the art 
of relational programming---for example, by developing new techniques for 
writing interpreters, type inferencers, theorem provers, abstract 
interpreters, CAD tools, and other interesting programs as relations, which 
are capable of being "run backwards," performing synthesis, etc.

Submission Information

Submission Page: https://minikanren19.hotcrp.com/

Paper submissions must use the format acmart and its sub-format acmlarge. 
They must be in PDF, printable in black and white on US Letter size. 
Microsoft Word and LaTeX templates for this format are available at: 
http://www.sigplan.org/Resources/Author/

As this is the first iteration of the workshop, we want to encourage all 
kinds of submissions. We expect short papers as well as longer papers. As a 
rough guideline, with the new ACM format a short paper would be 2 to 7 
pages and a long paper 8 to 25 pages.

Authors are encouraged to publish any code associated to their papers under 
an open source license, so that reviewers may try the code and verify the 
claims.

Proceedings will be printed as a Technical Report at Harvard University.

Publication of a paper at this workshop is not intended to replace 
conference or journal publication, and does not preclude re-publication of 
a more complete or finished version of the paper at some later conference 
or in a journal.

Sincerely,

William E. Byrd, General Chair
Nada Amin, Program Committee Chair


Program Committee:
Claire Alvis, Sparkfund
Tom Gilray, University of Alabama, Birmingham
Jason Hemann, Northeastern University
Eric Holk, Google
Kanae Tsushima, National Institute of Informatics

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[racket-users] Call for Contributions--First miniKanren and Relational Programming Workshop

2019-04-05 Thread William Byrd
DEADLINE: 15 May 2019, (Any time in the world)
WEBSITE: https://icfp19.sigplan.org/home/minikanren-2019
LOCATION: Berlin, Germany (co-located with ICFP)
DATE: 22 August 2019

The 2019 First miniKanren and Relational Programming Workshop is calling 
for submissions.

Full papers are due 15 May 2019.
Authors will be notified by 15 June 2019.
Camera-ready versions are due 30 June 2019.
All deadlines are (23:59 UTC-12), "Anywhere on Earth".

The miniKanren and Relational Programming Workshop is a new workshop for 
the miniKanren family of relational (pure constraint logic programming) 
languages: miniKanren, microKanren, core.logic, OCanren, Guanxi, etc.  The 
workshop solicits papers and talks on the design, implementation, and 
application of miniKanren-like languages.  A major goal of the workshop is 
to bring together researchers, implementors, and users from the miniKanren 
community, and to share expertise and techniques for relational 
programming.  Another goal for the workshop is to push the state of the art 
of relational programming---for example, by developing new techniques for 
writing interpreters, type inferencers, theorem provers, abstract 
interpreters, CAD tools, and other interesting programs as relations, which 
are capable of being "run backwards," performing synthesis, etc.

Submission Information

Submission Page: https://minikanren19.hotcrp.com/

Paper submissions must use the format acmart and its sub-format acmlarge. 
They must be in PDF, printable in black and white on US Letter size. 
Microsoft Word and LaTeX templates for this format are available at: 
http://www.sigplan.org/Resources/Author/

As this is the first iteration of the workshop, we want to encourage all 
kinds of submissions. We expect short papers as well as longer papers. As a 
rough guideline, with the new ACM format a short paper would be 2 to 7 
pages and a long paper 8 to 25 pages.

Authors are encouraged to publish any code associated to their papers under 
an open source license, so that reviewers may try the code and verify the 
claims.

Proceedings will be printed as a Technical Report at Harvard University.

Publication of a paper at this workshop is not intended to replace 
conference or journal publication, and does not preclude re-publication of 
a more complete or finished version of the paper at some later conference 
or in a journal.

Sincerely,

William E. Byrd, General Chair
Nada Amin, Program Committee Chair


Program Committee:
Claire Alvis, Sparkfund
Tom Gilray, University of Alabama, Birmingham
Jason Hemann, Northeastern University
Eric Holk, Google
Kanae Tsushima, National Institute of Informatics

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[racket] [ANN] *Extended Deadline* CFP for 2013 Workshop on Scheme and Functional Programming

2013-09-13 Thread William Byrd
The paper submission deadline has been extended one week, to Friday,
Sept. 20 (anytime in the world).  We do not anticipate any further
deadline extensions.  Please note that short (6 pages + references)
papers are encouraged, to allow for resubmission of longer, improved
versions to full conferences.

Cheers,

--Will



[Apologies for duplication from cross-postings.]

NEW DEADLINE: 20 September 2013
WEBSITE:  http://webyrd.net/scheme-2013/
LOCATION: Alexandria, Virginia (Washington, D.C.) (co-located with
Clojure/conj)
DATE: 13 November 2013

The 2013 Workshop on Scheme and Functional Programming is now
accepting submissions.

Submissions related to Scheme and functional programming are welcome
and encouraged.

We also welcome papers related to dynamic or multiparadigmatic
languages and programming techniques.

** IMPORTANT UPDATE **
To encourage authors to submit their best work, this year we are
encouraging shorter papers (around 6 pages, excluding
references). This is to allow authors to submit longer, revised
versions of their papers to archival conferences or journals. Longer
papers (10--12 pages) are also acceptable, if the extra space is
needed.

Topics of interest include but are not limited to:

 contracts;
 commercial applications of Scheme;
 compiler-implementation techniques;
 compiler optimization;
 data structures;
 domain-specific languages;
 garbage-collection;
 language-based security;
 language design;
 macros and hygiene;
 mixing static and dynamic typing;
 module systems;
 semantics;
 static analysis;
 syntactic extensibility;
 tools and packages; and
 web-based development.

For more information, please see:

http://webyrd.net/scheme-2013/

Sincerely,

Will Byrd, 2013 Chair

  Racket Users list:
  http://lists.racket-lang.org/users


[racket] ANN: CFP for 2013 Workshop on Scheme and Functional Programming

2013-08-21 Thread William Byrd
Racket submissions are very welcome!

--Will

---

DEADLINE: 13 September 2013
WEBSITE:  http://webyrd.net/scheme-2013/
LOCATION: Alexandria, Virginia (Washington, D.C.) (co-located with
Clojure/conj)
DATE: 13 November 2013

The 2013 Workshop on Scheme and Functional Programming is now
accepting submissions.

Submissions related to Scheme and functional programming are welcome
and encouraged.

We also welcome papers related to dynamic or multiparadigmatic
languages and programming techniques.

Topics of interest include but are not limited to:

 contracts;
 commercial applications of Scheme;
 compiler-implementation techniques;
 compiler optimization;
 data structures;
 domain-specific languages;
 garbage-collection;
 language-based security;
 language design;
 macros and hygiene;
 mixing static and dynamic typing;
 module systems;
 semantics;
 static analysis;
 syntactic extensibility;
 tools and packages; and
 web-based development.

For more information, please see:

http://webyrd.net/scheme-2013/

Sincerely,

Will Byrd, 2013 Chair

  Racket Users list:
  http://lists.racket-lang.org/users