1 files changed, 0 insertions, 132 deletions
diff --git a/src/prelude.lisp b/src/prelude.lisp
deleted file mode 100644
index a1be068..0000000
--- a/src/prelude.lisp
+++ /dev/null
@@ -1,132 +0,0 @@
-(defvar nil '())
-
-(defvar pi 3.1415926)
-(defvar e 2.718281828)
-
-(defmacro incq (i)
-  `(setq ,i (+ ,i 1)))
-
-(defmacro decq (i)
-  `(setq ,i (- ,i 1)))
-
-(defun zero? (x) (= x 0))
-(defun plus? (x) (> x 0))
-(defun minus? (x) (< x 0))
-
-(defmacro when (pred . body)
-  `(if ,pred
-     (progn ,@body)
-     nil))
-
-(defmacro unless (pred . body)
-  `(if ,pred
-     nil
-     (progn ,@body)))
-
-(defun take (n lst)
-  (unless (integer? n)
-    (error "take: type error."))
-  (unless (list? lst)
-    (error "take: type error."))
-  (let ((i 0)
-        (newlst nil))
-    (while (and (< i n)
-                (not (null? lst)))
-      (setq newlst (cons (car lst) newlst))
-      (setq lst (cdr lst))
-      (incq i))
-    (nreverse newlst)))
-
-(defun drop (n lst)
-  (unless (integer? n)
-    (error "drop type error."))
-  (unless (list? lst)
-    (error "drop: type error."))
-  (let ((i 0))
-    (while (and (< i n)
-                (not (null? lst)))
-      (setq lst (cdr lst))
-      (incq i))
-    lst))
-
-(defun take-while (pred lst)
-  (unless (function? pred)
-    (error "take-while: type error."))
-  (unless (list? lst)
-    (error "take-while: type error."))
-  (let ((newlst nil))
-    (while (and (not (null? lst))
-                (funcall pred (car lst)))
-      (setq newlst (cons (car lst) newlst))
-      (setq lst (cdr lst)))
-    (nreverse newlst)))
-
-(defun drop-while (pred lst)
-  (unless (function? pred)
-    (error "drop-while: type error."))
-  (unless (list? lst)
-    (error "drop-while: type error."))
-  (while (and (not (null? lst))
-              (funcall pred (car lst)))
-    (setq lst (cdr lst)))
-  lst)
-
-(defun sublist (start end lst)
-  (unless (integer? start)
-    (error "sublist: type error."))
-  (unless (integer? end)
-    (error "sublist: type error."))
-  (unless (< start end)
-    (error "sublist: start must less than end."))
-  (unless (list? lst)
-    (error "sublist: type error."))
-  (drop start (take end lst)))
-
-(defun find (x lst)
-  (unless (list? lst)
-    (error "find: type error."))
-  (while (not (null? lst))
-    (when (equal? x (car lst))
-      (return lst))
-    (setq lst (cdr lst)))
-  nil)
-
-(defun contains? (x lst)
-  (unless (list? lst)
-    (error "contains?: type error."))
-  (while (not (null? lst))
-    (when (equal? x (car lst))
-      (return #t))
-    (setq lst (cdr lst)))
-  #f)
-
-(defun caar (x) (car (car x)))
-(defun cadr (x) (car (cdr x)))
-(defun cddr (x) (cdr (cdr x)))
-(defun cdar (x) (cdr (car x)))
-
-(defun caaar (x) (car (caar x)))
-(defun cadar (x) (car (cdar x)))
-(defun cddar (x) (cdr (cdar x)))
-(defun cdaar (x) (cdr (caar x)))
-(defun caadr (x) (car (cadr x)))
-(defun caddr (x) (car (cddr x)))
-(defun cdddr (x) (cdr (cddr x)))
-(defun cdadr (x) (cdr (cadr x)))
-
-(defun caaaar (x) (car (caaar x)))
-(defun cadaar (x) (car (cdaar x)))
-(defun cddaar (x) (cdr (cdaar x)))
-(defun cdaaar (x) (cdr (caaar x)))
-(defun caadar (x) (car (cadar x)))
-(defun caddar (x) (car (cddar x)))
-(defun cdddar (x) (cdr (cddar x)))
-(defun cdadar (x) (cdr (cadar x)))
-(defun caaadr (x) (car (caadr x)))
-(defun cadadr (x) (car (cdadr x)))
-(defun cddadr (x) (cdr (cdadr x)))
-(defun cdaadr (x) (cdr (caadr x)))
-(defun caaddr (x) (car (caddr x)))
-(defun cadddr (x) (car (cdddr x)))
-(defun cddddr (x) (cdr (cdddr x)))
-(defun cdaddr (x) (cdr (caddr x)))