blob: 2bd3102fb55c53742b2faea2726414450669bb64 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
;;; main.lisp - 2025-02-11
;; Copyright (C) 2025 Aryadev Chavali
;; This program is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
;; FOR A PARTICULAR PURPOSE. See the GNU General Public License Version 2 for
;; details.
;; You may distribute and modify this code under the terms of the GNU General
;; Public License Version 2, which you should have received a copy of along with
;; this program. If not, please go to <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Defines the entrypoint of the program, handling any input from the user and
;; passing it into the system.
;;; Code:
(in-package :cantedraw.main)
(fn read-input (&optional (prompt "> ")) (-> (&optional string) string)
(format t "~a" prompt)
(force-output)
(read-line))
(fn parse-integers (input) (-> (string) list)
(->> input
uiop:split-string
(mapcar #'parse-integer*)
(remove-if #'null)))
(fn read-integers () (-> nil list)
(->> (read-input "Enter numbers: ")
parse-integers))
(fn read-until-integers () (-> nil list)
(let ((inp (read-integers)))
(while (null inp)
(format t "Need at least one integer...~%")
(force-output)
(setq inp (read-integers)))
inp))
(defun start ()
(--> var
(read-until-integers)
(cons '+ var)
(format t "~a = ~a~%" var (eval var))))
|
