The reason for the extra layer of indirection is that when I wrote it I was thinking that you would tie to the type of the variable. So you would tie to Tie::Static::Hash, etc. In fact I am still unsure whether it is better to always tie to Tie::Static, or to tie to the actual package that you are blessed into. There is something to be said for a consistent interface. There is also something to be said for not violating expectations about what tied is.

As for the examples you offer of broken ties, read the first paragraph of "bugs". While it does not offer your examples, it is clear about the fact that the heuristic uses package, filename, and line number. Do you think it is clear enough to warn people away from that map trick?

Personally I am inclined to believe that someone who wants many tied variables will generally just tie a hash. Do you think that is wrong? Would it make sense to offer a function that takes a list of variables and ties them? Something like this? 

sub static {
  my $called = join ":", caller();
  tie ($_[$_], 'Tie::Static', $called, $_) for 0..$#_;
}

[download]
Then people can just call: 
  static my ($foo, $bar, $baz);

[download]
Yes? No? Maybe?

In reply to Re (tilly) 2: Tie::Static by tilly
in thread Tie::Static by tilly

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