diff options
Diffstat (limited to 'lisp/emacs-lisp/cl-lib.el')
| -rw-r--r-- | lisp/emacs-lisp/cl-lib.el | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/lisp/emacs-lisp/cl-lib.el b/lisp/emacs-lisp/cl-lib.el index 20d2c8d6a68..1ec850cf0e8 100644 --- a/lisp/emacs-lisp/cl-lib.el +++ b/lisp/emacs-lisp/cl-lib.el @@ -272,20 +272,24 @@ so that they are registered at compile-time as well as run-time." (defsubst cl-plusp (number) "Return t if NUMBER is positive." + (declare (side-effect-free t)) (> number 0)) (defsubst cl-minusp (number) "Return t if NUMBER is negative." + (declare (side-effect-free t)) (< number 0)) (defun cl-oddp (integer) "Return t if INTEGER is odd." - (declare (compiler-macro (lambda (_) `(eq (logand ,integer 1) 1)))) + (declare (side-effect-free t) + (compiler-macro (lambda (_) `(eq (logand ,integer 1) 1)))) (eq (logand integer 1) 1)) (defun cl-evenp (integer) "Return t if INTEGER is even." - (declare (compiler-macro (lambda (_) `(eq (logand ,integer 1) 0)))) + (declare (side-effect-free t) + (compiler-macro (lambda (_) `(eq (logand ,integer 1) 0)))) (eq (logand integer 1) 0)) (defconst cl-digit-char-table @@ -387,32 +391,38 @@ SEQ, this is like `mapcar'. With several, it is like the Common Lisp (defsubst cl-fifth (x) "Return the fifth element of the list X." - (declare (gv-setter (lambda (store) `(setcar (nthcdr 4 ,x) ,store)))) + (declare (side-effect-free t) + (gv-setter (lambda (store) `(setcar (nthcdr 4 ,x) ,store)))) (nth 4 x)) (defsubst cl-sixth (x) "Return the sixth element of the list X." - (declare (gv-setter (lambda (store) `(setcar (nthcdr 5 ,x) ,store)))) + (declare (side-effect-free t) + (gv-setter (lambda (store) `(setcar (nthcdr 5 ,x) ,store)))) (nth 5 x)) (defsubst cl-seventh (x) "Return the seventh element of the list X." - (declare (gv-setter (lambda (store) `(setcar (nthcdr 6 ,x) ,store)))) + (declare (side-effect-free t) + (gv-setter (lambda (store) `(setcar (nthcdr 6 ,x) ,store)))) (nth 6 x)) (defsubst cl-eighth (x) "Return the eighth element of the list X." - (declare (gv-setter (lambda (store) `(setcar (nthcdr 7 ,x) ,store)))) + (declare (side-effect-free t) + (gv-setter (lambda (store) `(setcar (nthcdr 7 ,x) ,store)))) (nth 7 x)) (defsubst cl-ninth (x) "Return the ninth element of the list X." - (declare (gv-setter (lambda (store) `(setcar (nthcdr 8 ,x) ,store)))) + (declare (side-effect-free t) + (gv-setter (lambda (store) `(setcar (nthcdr 8 ,x) ,store)))) (nth 8 x)) (defsubst cl-tenth (x) "Return the tenth element of the list X." - (declare (gv-setter (lambda (store) `(setcar (nthcdr 9 ,x) ,store)))) + (declare (side-effect-free t) + (gv-setter (lambda (store) `(setcar (nthcdr 9 ,x) ,store)))) (nth 9 x)) (defalias 'cl-caaar #'caaar) @@ -456,7 +466,8 @@ SEQ, this is like `mapcar'. With several, it is like the Common Lisp Thus, `(cl-list* A B C D)' is equivalent to `(nconc (list A B C) D)', or to `(cons A (cons B (cons C D)))'. \n(fn ARG...)" - (declare (compiler-macro cl--compiler-macro-list*)) + (declare (side-effect-free error-free) + (compiler-macro cl--compiler-macro-list*)) (cond ((not rest) arg) ((not (cdr rest)) (cons arg (car rest))) (t (let* ((n (length rest)) @@ -467,6 +478,7 @@ Thus, `(cl-list* A B C D)' is equivalent to `(nconc (list A B C) D)', or to (defun cl-ldiff (list sublist) "Return a copy of LIST with the tail SUBLIST removed." + (declare (side-effect-free t)) (let ((res nil)) (while (and (consp list) (not (eq list sublist))) (push (pop list) res)) @@ -523,6 +535,7 @@ Return a copy of TREE with all elements `eql' to OLD replaced by NEW. (defun cl-acons (key value alist) "Add KEY and VALUE to ALIST. Return a new list with (cons KEY VALUE) as car and ALIST as cdr." + (declare (side-effect-free error-free)) (cons (cons key value) alist)) (defun cl-pairlis (keys values &optional alist) @@ -530,6 +543,7 @@ Return a new list with (cons KEY VALUE) as car and ALIST as cdr." Return a new alist composed by associating KEYS to corresponding VALUES; the process stops as soon as KEYS or VALUES run out. If ALIST is non-nil, the new pairs are prepended to it." + (declare (side-effect-free t)) (nconc (cl-mapcar 'cons keys values) alist)) ;;; Miscellaneous. |