From 2dc4aca8d18ae8b5159da22c5d02b3052a7ac4ec Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@gmail.com>
Date: Mon, 2 Nov 2020 14:55:15 +0900
Subject: [ruby/reline] Operator with arg need to make sure that they take arg
 to avoid crashing

https://github.com/ruby/reline/commit/1c0c06de1f
---
 lib/reline/line_editor.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index f6cf0c5280..86d57d905b 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -735,7 +735,7 @@ class Reline::LineEditor
       not_insertion = method_symbol != :ed_insert
       process_insert(force: not_insertion)
     end
-    if @vi_arg
+    if @vi_arg and argumentable?(method_obj)
       method_obj.(key, arg: @vi_arg)
     else
       method_obj.(key)
-- 
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