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* Modules, libraries, eggs, etc.
@ 2016-09-06 19:17 Lawrence Bottorff
  2016-09-06 19:55 ` John Kitchin
  0 siblings, 1 reply; 2+ messages in thread
From: Lawrence Bottorff @ 2016-09-06 19:17 UTC (permalink / raw)
  To: emacs-orgmode Mailinglist

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Racket has a nice module system whereby a module is kept in a plain text
.rkt file. For example,

#lang racket
(provide print-cake)
; draws a cake with n candles
(define (print-cake n)
  (show "   ~a   " n #\.)
  (show " .-~a-. " n #\|)
  (show " | ~a | " n #\space)
  (show "---~a---" n #\-))

(define (show fmt n ch)
  (printf fmt (make-string n ch))
  (newline))

is in cake.rkt so that

#+begin_src scheme :session ch2
(require "cake.rkt")
(print-cake (random 30))
#+end_src

produces the actual ascii -- albeit in the *Geiser dbg* buffer (or run from
the associated REPL ch2):

; -*- geiser-scheme-implementation: racket -*-
(require "cake.rkt")
(print-cake (random 30))


=> #<void>

   .......................
 .-|||||||||||||||||||||||-.
 |                         |
-----------------------------

So, this means I can do some Racket in org-mode, but the module side has to
be outside. This seems not so elegant. Is there a babel language where the
entire ecosystem is inside Emacs/org-mode? I'd like to have the module
paradigm and have it all inside Emacs/org-mode.

LB

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2016-09-06 19:17 Modules, libraries, eggs, etc Lawrence Bottorff
2016-09-06 19:55 ` John Kitchin

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