Add an option for inserting argument placeholders

racer.el

@@ -611,6 +611,13 @@ Commands:
   :type 'boolean
   :group 'racer)
 
+(defcustom racer-complete-insert-argument-placeholders
+  t
+  "If non-nil, insert argument placeholders after completion.
+Note that this feature is only available when `company-mode' is installed."
+  :type 'boolean
+  :group 'racer)
+
 (defun racer-complete-at-point ()
   "Complete the symbol at point."
   (let* ((ppss (syntax-ppss))
@@ -635,7 +642,8 @@ Commands:
 
 (defun racer-complete--insert-args (arg &optional _finished)
   "If a ARG is the name of a completed function, try to find and insert its arguments."
-  (when (and (require 'company-template nil t)
+  (when (and racer-complete-insert-argument-placeholders
+             (require 'company-template nil t)
              (equal "Function"
                     (get-text-property 0 'matchtype arg)))
     (let* ((ctx (get-text-property 0 'ctx arg))