if you're working with a real hash, you need:

 
my @T_A = values %table;
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if you're working with an anonymous hash, you need:

my @T_A = values %{$self->{TABLE}};
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$self->{TABLE} is an element of an anonymous hash, with a structure presumably like the following:

$self = { TABLE => $some var,
      METHOD => @some_other_var,
      ELEMENT => $some_third_var
    };
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$self->{TABLE} gets you the value of $some_var. you still need to dig into $some_var to get the hash elements.