summaryrefslogtreecommitdiff
path: root/lisp/subr.el
diff options
context:
space:
mode:
Diffstat (limited to 'lisp/subr.el')
-rw-r--r--lisp/subr.el10
1 files changed, 6 insertions, 4 deletions
diff --git a/lisp/subr.el b/lisp/subr.el
index 358bfa5e1c0..48ff5013cee 100644
--- a/lisp/subr.el
+++ b/lisp/subr.el
@@ -600,10 +600,12 @@ Elements of ALIST that are not conses are ignored."
alist)
(defun alist-get (key alist &optional default remove)
- "Get the value associated to KEY in ALIST.
-DEFAULT is the value to return if KEY is not found in ALIST.
-REMOVE, if non-nil, means that when setting this element, we should
-remove the entry if the new value is `eql' to DEFAULT."
+ "Return the value associated with KEY in ALIST, using `assq'.
+If KEY is not found in ALIST, return DEFAULT.
+
+This is a generalized variable suitable for use with `setf'.
+When using it to set a value, optional argument REMOVE non-nil
+means to remove KEY from ALIST if the new value is `eql' to DEFAULT."
(ignore remove) ;;Silence byte-compiler.
(let ((x (assq key alist)))
(if x (cdr x) default)))