$hwwns is a hash reference. The arrow dereferences it. See perlreftut and perldsc for details.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Arrow operator usage in perl by choroba
in thread Arrow operator usage in perl by dvinay

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