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Re: Preventing unintended list expansion inside hash literals.

by vr (Curate)
on Jan 05, 2017 at 09:47 UTC ( [id://1179003]=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub some_key { keys %{$_[0]} ? scalar each %{$_[0]} : undef }
  2. or download this
    sub some_key { keys %{$_[0]}; scalar each %{$_[0]} }

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