tacopocalypse sample

pull/23/head
Matthew Butterick 5 years ago
parent 1fe93f59a2
commit 3999b3515b

@ -11,17 +11,17 @@
[any-char (lex input-port)]))
(define (tokenize ip)
(define toklets (for/list ([toklet (in-port lex ip)])
toklet))
(let loop ([toklets toklets][acc null])
(if (null? toklets)
(reverse acc)
(loop (drop toklets 7) (cons (take toklets 7) acc)))))
(for/list ([tok (in-port lex ip)])
tok))
(define (parse src toks)
(for/list ([tok (in-list toks)])
(define heptatoks (let loop ([toks toks][acc null])
(if (empty? toks)
(reverse acc)
(loop (drop toks 7) (cons (take toks 7) acc)))))
(for/list ([heptatok (in-list heptatoks)])
(integer->char
(for/sum ([val (in-list tok)]
(for/sum ([val (in-list heptatok)]
[power (in-naturals)]
#:when (eq? val 'taco))
(expt 2 power)))))
@ -34,7 +34,7 @@
#'(module taco-mod tacopocalypse-demo
PT))))
(define-macro (mb PT)
(define-macro (my-module-begin PT)
#'(#%module-begin
(display (list->string 'PT))))
(provide (rename-out [mb #%module-begin]))
(provide (rename-out [my-module-begin #%module-begin]))
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