scsh-0.6/scheme/alt/table.scm

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1999-09-14 08:45:02 -04:00
; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
; unworthy of copyright notice
(define (make-table . hash-procedure-option) (list 'table))
(define (table-ref table key)
(let ((probe (assq key (cdr table))))
(if probe (cdr probe) #f)))
(define (table-set! table key value)
(let ((probe (assq key (cdr table))))
(if probe
(set-cdr! probe value)
(set-cdr! table (cons (cons key value) (cdr table))))))