Make src accessible from event object

Yuki-Inoue · web-flow · commit 7a994fa9820e · 2021-03-13T18:57:44.000+09:00
diff --git a/lib/line/bot/event/base.rb b/lib/line/bot/event/base.rb
@@ -19,6 +19,7 @@ class Base
         def initialize(src)
           @src = src
         end
+        attr_reader :src
 
         def [](key)
           @src[key]
