Add ? to the list of things to quote when it's an exact value.

ufirstgroup · Dec 27, 2023 · 2e06eb4 · 2e06eb4
1 parent 2bc75da
commit 2e06eb4
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diff --git a/lib/ymlr/encode.ex b/lib/ymlr/encode.ex
@@ -106,6 +106,7 @@ defmodule Ymlr.Encode do
   @single_quote_when_exact [
     "",
     "~",
+    "?",
     "null",
     "yes",
     "no",

diff --git a/test/ymlr/encode_test.exs b/test/ymlr/encode_test.exs
@@ -49,6 +49,7 @@ defmodule Ymlr.EncodeTest do
     end
 
     test "quoted strings - starts with special char" do
+      assert_identity_and_output("?", ~S('?'))
       assert_identity_and_output("!tag", ~S('!tag'))
       assert_identity_and_output("&anchor", ~S('&anchor'))
       assert_identity_and_output("*alias", ~S('*alias'))