Critic is silenced for the ProhibitMutatingListFunctions. It still complains about no return and @_ (in my opinion, both pointless in 1 line subs), and it doesn't like map and grep with expressions, but I do. YMMV.
PS: 起來！
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ
Comment on Re^6: Code review: function to trim whitespace from all items in a list