clausules)))))
(defmacro ecase (form &rest clausules)
- `(case ,form
- ,@(append
- clausules
- `((t
- (error "ECASE expression failed."))))))
+ (let ((g!form (gensym)))
+ `(let ((,g!form ,form))
+ (case ,g!form
+ ,@(append
+ clausules
+ `((t
+ (error "ECASE expression failed for the object `~S'." ,g!form))))))))
(defmacro and (&rest forms)
(cond
(append (cdr list1) list2))))
(defun append (&rest lists)
- (!reduce #'append-two lists))
+ (!reduce #'append-two lists nil))
(defun revappend (list1 list2)
(while list1
(setq assignments (reverse assignments))
;;
`(let ,(mapcar #'cdr assignments)
- (setq ,@(!reduce #'append (mapcar #'butlast assignments))))))
+ (setq ,@(!reduce #'append (mapcar #'butlast assignments) nil)))))
(defmacro do (varlist endlist &body body)
`(block nil
(defun atom (x)
(not (consp x)))
-(defun find (item list &key key (test #'eql))
- (dolist (x list)
- (when (funcall test (funcall key x) item)
- (return x))))
-
(defun remove (x list)
(cond
((null list)
(t
(remove-if-not func (cdr list)))))
+(defun alpha-char-p (x)
+ (or (<= (char-code #\a) (char-code x) (char-code #\z))
+ (<= (char-code #\Z) (char-code x) (char-code #\Z))))
+
(defun digit-char-p (x)
(if (and (<= (char-code #\0) (char-code x) (char-code #\9)))
(- (char-code x) (char-code #\0))
(char "0123456789" weight)))
(defun subseq (seq a &optional b)
- (cond
- ((stringp seq)
- (if b
- (slice seq a b)
- (slice seq a)))
- (t
- (error "Unsupported argument."))))
+ (if b
+ (slice seq a b)
+ (slice seq a)))
(defmacro do-sequence (iteration &body body)
(let ((seq (gensym))
(t
(error "type-error!"))))))
+(defun find (item sequence &key (key #'identity) (test #'eql))
+ (do-sequence (x sequence)
+ (when (funcall test (funcall key x) item)
+ (return x))))
+
+(defun find-if (predicate sequence &key (key #'identity))
+ (do-sequence (x sequence)
+ (when (funcall predicate (funcall key x))
+ (return x))))
+
(defun some (function seq)
(do-sequence (elt seq)
(when (funcall function elt)
(incf pos))
pos))
-(defun string (x)
- (cond ((stringp x) x)
- ((symbolp x) (symbol-name x))
- (t (char-to-string x))))
-
(defun equal (x y)
(cond
((eql x y) t)
(and (consp y)
(equal (car x) (car y))
(equal (cdr x) (cdr y))))
- ((arrayp x)
- (and (arrayp y)
- (let ((n (length x)))
- (when (= (length y) n)
- (dotimes (i n)
- (unless (equal (aref x i) (aref y i))
- (return-from equal nil)))
- t))))
+ ((stringp x)
+ (and (stringp y) (string= x y)))
(t nil)))
-(defun string= (s1 s2)
- (equal s1 s2))
-
(defun fdefinition (x)
(cond
((functionp x)
((symbolp x)
(symbol-function x))
(t
- (error "Invalid function"))))
+ (error "Invalid function `~S'." x))))
(defun disassemble (function)
(write-line (lambda-code (fdefinition function)))
(oget func "docstring")))
(variable
(unless (symbolp x)
- (error "Wrong argument type! it should be a symbol"))
+ (error "The type of documentation `~S' is not a symbol." type))
(oget x "vardoc"))))
(defmacro multiple-value-bind (variables value-from &body body)
`(,value)
`(setq ,place ,value)
place))
- (let ((place (ls-macroexpand-1 place)))
+ (let ((place (!macroexpand-1 place)))
(let* ((access-fn (car place))
(expander (cdr (assoc access-fn *setf-expanders*))))
(when (null expander)
(defmacro define-setf-expander (access-fn lambda-list &body body)
(unless (symbolp access-fn)
- (error "ACCESS-FN must be a symbol."))
+ (error "ACCESS-FN `~S' must be a symbol." access-fn))
`(progn (push (cons ',access-fn (lambda ,lambda-list ,@body))
*setf-expanders*)
',access-fn))
((null (cdr pairs))
(error "Odd number of arguments to setf."))
((null (cddr pairs))
- (let ((place (ls-macroexpand-1 (first pairs)))
+ (let ((place (!macroexpand-1 (first pairs)))
(value (second pairs)))
(multiple-value-bind (vars vals store-vars writer-form)
(get-setf-expansion place)
(+ (get-unix-time) 2208988800))
(defun concat (&rest strs)
- (!reduce #'concat-two strs :initial-value ""))
+ (!reduce #'concat-two strs ""))
(defun values-list (list)
(values-array (list-to-vector list)))