Are anonymous structures created in the same way as non-anonymous structures? For example if I say something like this,

my $arrayref = [1, 2, 3];
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is that any different from saying the following?

my $arrayref;
{
   my @array = (1, 2, 3);
   $arrayref =  \@array;
}
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Are the two array parts allocated any differently or anything like that? The places I've read about anonymous structures don't really get into it so I'm assuming that they aren't, but I'm kind of curious to see if thats true or not.

Thanks