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71 lines
2 KiB
Scheme
71 lines
2 KiB
Scheme
;;;; Cyclone Scheme
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;;;; https://github.com/justinethier/cyclone
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;;;;
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;;;; Copyright (c) 2014-2016, Justin Ethier
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;;;; All rights reserved.
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;;;;
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;;;; The cxr library from r7rs.
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;;;;
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(define-library (scheme cxr)
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(export
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caar
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cadr
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cdar
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cddr
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caaar
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caadr
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cadar
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caddr
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cdaar
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cdadr
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cddar
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cdddr
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caaaar
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caaadr
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caadar
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caaddr
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cadaar
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cadadr
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caddar
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cadddr
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cdaaar
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cdaadr
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cdadar
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cdaddr
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cddaar
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cddadr
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cdddar
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cddddr
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caaaaar)
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(begin
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(define (caar lis) (car(car lis)))
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(define (cadr lis) (car(cdr lis)))
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(define (cdar lis) (cdr(car lis)))
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(define (cddr lis) (cdr(cdr lis)))
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(define (caaar lis) (car(car(car lis))))
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(define (caadr lis) (car(car(cdr lis))))
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(define (cadar lis) (car(cdr(car lis))))
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(define (caddr lis) (car(cdr(cdr lis))))
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(define (cdaar lis) (cdr(car(car lis))))
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(define (cdadr lis) (cdr(car(cdr lis))))
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(define (cddar lis) (cdr(cdr(car lis))))
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(define (cdddr lis) (cdr(cdr(cdr lis))))
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(define (caaaar lis) (car(car(car(car lis)))))
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(define (caaadr lis) (car(car(car(cdr lis)))))
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(define (caadar lis) (car(car(cdr(car lis)))))
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(define (caaddr lis) (car(car(cdr(cdr lis)))))
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(define (cadaar lis) (car(cdr(car(car lis)))))
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(define (cadadr lis) (car(cdr(car(cdr lis)))))
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(define (caddar lis) (car(cdr(cdr(car lis)))))
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(define (cadddr lis) (car(cdr(cdr(cdr lis)))))
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(define (cdaaar lis) (cdr(car(car(car lis)))))
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(define (cdaadr lis) (cdr(car(car(cdr lis)))))
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(define (cdadar lis) (cdr(car(cdr(car lis)))))
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(define (cdaddr lis) (cdr(car(cdr(cdr lis)))))
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(define (cddaar lis) (cdr(cdr(car(car lis)))))
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(define (cddadr lis) (cdr(cdr(car(cdr lis)))))
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(define (cdddar lis) (cdr(cdr(cdr(car lis)))))
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(define (cddddr lis) (cdr(cdr(cdr(cdr lis)))))
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;; Non-standard, this is just a placeholder
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(define (caaaaar lis)
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(car (car (car (car (car lis))))))))
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