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-rw-r--r--lib/chef/node/mixin/immutablize_array.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/chef/node/mixin/immutablize_array.rb b/lib/chef/node/mixin/immutablize_array.rb
index d671e66df9..db0026af58 100644
--- a/lib/chef/node/mixin/immutablize_array.rb
+++ b/lib/chef/node/mixin/immutablize_array.rb
@@ -43,6 +43,7 @@ class Chef
:count,
:cycle,
:detect,
+ :difference,
:dig,
:drop,
:drop_while,
@@ -118,6 +119,7 @@ class Chef
:to_plist,
:to_set,
:transpose,
+ :union,
:uniq,
:values_at,
:zip,