Emacs: Format C++ code with clang-format before saving.

init.d/programming/c++.el

@@ -1,6 +1,6 @@
 ;;; c++.el --- C++ settings. -*- lexical-binding: t; -*-
 
-;; Time-stamp: <2020-06-01T17:55:46+0200>
+;; Time-stamp: <2020-06-15T21:30:37+0200>
 
 ;;; Commentary:
 
@@ -126,7 +126,10 @@
   )
 
 (when (executable-find "clang-format")
-  (use-package clang-format))
+  (use-package clang-format
+    :hook ((c-mode-common
+            . (lambda ()
+                (add-hook 'before-save-hook #'clang-format-buffer nil t))))))
 
 (provide 'programming/c++)
 ;;; c++.el ends here