Contents

;;; bob.el --- Bob exercise (exercism)

;;; Commentary:

;;; Code:
(defun response-for (phrase)
  "Provides Bob's response to PHRASE."
  (let ((stripped-phrase (chomp phrase)))
    (cond ((shout-questionp stripped-phrase) "Calm down, I know what I'm doing!")
          ((shoutp stripped-phrase) "Whoa, chill out!")
          ((string-match-p "^[[:space:]]*$" stripped-phrase) "Fine. Be that way!")
          ((questionp stripped-phrase) "Sure.")
          (t "Whatever."))))

(defun shoutp (phrase)
  "Determines if PHRASE is shouted."
  (and (string-match "[A-Z]" phrase)
       (string= (upcase phrase) phrase)))

(defun questionp (phrase)
  "Determines if PHRASE is a question."
  (and (> (length phrase) 0)
   (= ?? (aref phrase (1- (length phrase))))))

(defun shout-questionp (phrase)
  "Determines if PHRASE is a shouted question."
  (and (shoutp phrase) (questionp phrase)))

(defun chomp (str)
  "Chomp leading and tailing whitespace from STR."
  (replace-regexp-in-string (rx (or (: bos (* (any " \t\n")))
                                    (: (* (any " \t\n")) eos)))
                            ""
                            str))

(provide 'bob)
;;; bob.el ends here

Version data entries

42 entries across 42 versions & 1 rubygems

Version	Path
trackler-2.2.1.139	tracks/elisp/exercises/bob/example.el
trackler-2.2.1.138	tracks/elisp/exercises/bob/example.el