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Beau­tiful Racket / racket school 2019

Day 1

Powerful points

Let’s make a (very rudi­men­tary) language!

Mission

Make an inter­preter for the trigram language, which looks like this:

sample.txt
12 & AB
12 & AB
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You decide how the nota­tion works. Two require­ments, however:

  1. You must treat the source as comprising at least two distinct pieces (aka tokens).

  2. The result of the program must depend mean­ing­fully on the source.

Here’s some code to get you started:

trigram.rkt
#lang racket

(define str (file->string "sample.txt"))
;; ···
#lang racket

(define str (file->string "sample.txt"))
;; ···
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Hint: Muddle through this problem with what­ever level of Rack­e­teering is avail­able to you. You can also just write out the steps in pseudocode.

Summary

The eye of the beholder.

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