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-rw-r--r--lib/action_mailbox/mail_ext/address_wrapping.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/action_mailbox/mail_ext/address_wrapping.rb b/lib/action_mailbox/mail_ext/address_wrapping.rb
index f41087a450..fcdfbb6f6f 100644
--- a/lib/action_mailbox/mail_ext/address_wrapping.rb
+++ b/lib/action_mailbox/mail_ext/address_wrapping.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
class Mail::Address
def self.wrap(address)
address.is_a?(Mail::Address) ? address : Mail::Address.new(address)