emacs: various cosmetic improvements

[notmuch] / emacs / notmuch-query.el

diff --git a/emacs/notmuch-query.el b/emacs/notmuch-query.el
index ffce8814566aa7b2f4740383df03805efed416ea..d7349b771e4ff4efde18249d54a32a8dc2adde45 100644 (file)
--- a/emacs/notmuch-query.el
+++ b/emacs/notmuch-query.el
@@ -41,11 +41,9 @@ is a possibly empty forest of replies."
 
 (defun notmuch-query-map-aux  (mapper function seq)
   "Private function to do the actual mapping and flattening."
-  (apply 'append
-        (mapcar
-         (lambda (tree)
-           (funcall mapper function tree))
-         seq)))
+  (cl-mapcan (lambda (tree)
+              (funcall mapper function tree))
+            seq))
 
 (defun notmuch-query-map-threads (fn threads)
   "Apply function FN to every thread in THREADS.
@@ -63,7 +61,8 @@ Flatten results to a list.  See the function
   "Apply function FN to every message in TREE.
 Flatten results to a list.  See the function
 `notmuch-query-get-threads' for more information."
-  (cons (funcall fn (car tree)) (notmuch-query-map-forest fn (cadr tree))))
+  (cons (funcall fn (car tree))
+       (notmuch-query-map-forest fn (cadr tree))))
 
 ;;; Predefined queries