Added boolean=?

This commit is contained in:
Justin Ethier 2015-03-26 13:26:35 -04:00
parent bc151ed781
commit f158326c9e

View file

@ -163,16 +163,20 @@
(let ((kth (list-tail lst k)))
(set-car! kth obj)))
(define (reverse lst) (foldl cons '() lst))
(define (boolean=? b1 b2 . bs)
(Cyc-obj=? boolean? b1 (cons b2 bs)))
(define (symbol=? sym1 sym2 . syms)
(Cyc-obj=? symbol? sym1 (cons sym2 syms)))
(define (Cyc-obj=? type? obj objs)
(and
(eq? sym1 sym2)
(type? obj)
(call/cc
(lambda (return)
(for-each
(lambda (s)
(if (not (eq? s sym1))
(lambda (o)
(if (not (eq? o obj))
(return #f)))
syms)
objs)
#t))))
(define (error msg . args)
(raise (cons msg args)))