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typesetting/pitfall/restructure/helper.rkt

22 lines
592 B
Racket

#lang racket/base
(require (for-syntax racket/base br/syntax) racket/class br/define)
(provide (all-defined-out))
(define RestructureBase
(class object%
(super-new)
(abstract decode)
(abstract encode)
(abstract size)
(define/public (process . args) (void))
(define/public (preEncode . args) (void))))
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(define (RestructureBase? x) (is-a? x RestructureBase))
(define-macro (test-module . EXPRS)
#`(module+ test
(require #,(datum->syntax caller-stx 'rackunit))
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. EXPRS))
(define index? (λ (x) (and (number? x) (integer? x) (not (negative? x)))))