You can't do

my @Aseen{...} = ...;

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which is what Perl tells you. Split it up into two steps and Perl will understand you:

my %Aseen; @Aseen{ @a } = ()

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Also, why are you copying the values from @$a_ref into @a just to use it to assign to %Aseen ? Why not use them directly for assigning?

@Aseen{ @$a_ref } = ()

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In reply to Re: Syntax error for the following ??? by Corion
in thread Syntax error for the following ??? by mr_p

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