refactor(wpcarro/emacs): Prefer (null foo) to (eq nil foo) r/4378

TIL `null` exists

Change-Id: I48ef783cf5762e8770fbc6abf0d79c051e34090e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6034
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI

1 files changed, 1 insertions, 4 deletions

diff --git a/users/wpcarro/emacs/pkgs/maybe/maybe.el b/users/wpcarro/emacs/pkgs/maybe/maybe.el
index 3c386b5318..581568d8cc 100644
--- a/users/wpcarro/emacs/pkgs/maybe/maybe.el
+++ b/users/wpcarro/emacs/pkgs/maybe/maybe.el
@@ -25,9 +25,6 @@
 ;; Nil     | Set
 ;;
 ;; NOTE: In Elisp, values like '() (i.e. the empty list) are aliases for nil.
-;; What else in Elisp is an alias in this way?
-;; Examples:
-;; TODO: Provide examples of other nil types in Elisp.
 
 ;;; Code:
 
@@ -37,7 +34,7 @@
 
 (defun maybe-nil? (x)
   "Return t if X is nil."
-  (eq nil x))
+  (null x))
 
 (defun maybe-some? (x)
   "Return t when X is non-nil."