Fixed subtraction regression; added new subtraction unit test.

2026-02-24 09:08:41 +00:00 · 2026-02-24 09:08:41 +00:00 · d34d891211
commit d34d891211
parent 62ebaf9819
5 changed files with 203 additions and 6 deletions
--- a/lisp/member.lisp
+++ b/lisp/member.lisp
@ -1,3 +1,5 @@
+(set! nil? (lambda (o) (= o nil)))
+
 (set! member (lambda
            (item collection)
            "Return `t` if this `item` is a member of this `collection`, else `nil`."