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Reference found where even-sized list expected

Reference found where even-sized list expected at pm602312.pl line 2
 (W misc) You gave a single reference where Perl was expecting a list
...
        %hash = [ qw/ an anon array / ];        # WRONG
        %hash = ( one => 1, two => 2, );        # right
        %hash = qw( one 1 two 2 );                      # also fine