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authorBen Sima <ben@bsima.me>2019-10-27 09:48:52 -0700
committerBen Sima <ben@bsima.me>2019-10-27 12:14:40 -0700
commitc790672cc244ac4caba1bda3572829a6c6862891 (patch)
tree2706bb8044f7b14840c5f90f215b79b433e81045 /lore/core.scm
parent44df4ba39f65c3afd84bee6b03f47d9b061e9038 (diff)
move everything to namespace directories
Diffstat (limited to 'lore/core.scm')
-rw-r--r--lore/core.scm59
1 files changed, 0 insertions, 59 deletions
diff --git a/lore/core.scm b/lore/core.scm
deleted file mode 100644
index 3d411c4..0000000
--- a/lore/core.scm
+++ /dev/null
@@ -1,59 +0,0 @@
-;; standard library for bs
-
-(define (not x) (if x #f #t))
-(define (null? obj) (if (eqv? obj '()) #t #f))
-(define (list objs) objs)
-(define (identity obj) obj)
-(define (flip f) (lambda (x y) (f y x)))
-(define (curry f a) (lambda (b) (apply f (cons a (list b)))))
-(define (compose f g) (lambda (x) (f (apply g x))))
-(define zero? (curry = 0))
-(define positive? (curry < 0))
-(define negative? (curry > 0))
-(define (odd? n) (= (mod n 2) 1))
-(define (even? n) (= (mod n 2) 0))
-
-(define (foldr f end lst)
- (if (null? lst)
- end
- (f (car lst) (foldr f end (cdr lst)))))
-
-(define (foldl f acc lst)
- (if (null? lst)
- acc
- (foldl f (f acc (car lst)) (cdr lst))))
-
-(define fold foldl)
-
-(define (unfold f init pred)
- (if (pred init)
- (cons init '())
- (cons init (unfold f (f init) pred))))
-
-(define (mem* pred op)
- (lambda (acc next)
- (if (and (not acc) (pred (op next)))
- next
- acc)))
-
-(define (sum lst) (fold + 0 lst))
-(define (produce lst) (fold * 0 1 lst))
-
-(define (max nums)
- (fold (lambda (x y) (if (> x y) x y))
- (car nums) (cdr nums)))
-
-(define (min nums)
- (fold (lambda (x y) (if (< x y) x y))
- (car nums) (cdr nums)))
-
-(define (length lst) (fold (lambda (x y) (+ x 1)) 0 lst))
-(define (reverse lst) (fold (flip cons) '() lst))
-(define (memq obj lst) (fold (mem* (curry eq? obj) identity) #f lst))
-(define (memv obj lst) (fold (mem* (curry eqv? obj) identity) #f lst))
-(define (member obj lst) (fold (mem* (curry equal? obj) identity) #f lst))
-(define (assq obj alist) (fold (mem* (curry eq? obj) car) #f alist))
-(define (assv obj alist) (fold (mem* (curry eqv? obj) car) #f alist))
-(define (assoc obj alist) (fold (mem* (curry equal? obj) car) #f alist))
-(define (map f lst) (foldr (lambda (x y) (cons (f x) y)) '() lst))
-(define (filter pred lst) (foldr (lambda (x y) (if (pred x) (cons x y) y)) '() lst))