The problem with them is one can't check the value before it is set.

Oh, but you can. I addressed that in To Validate Data In Lvalue Subs. The Constrained package from that node turned out to have lots of other uses, too. It's now called Tie::Constrained on CPAN.

After Compline,
Zaxo

In reply to Re^8: Tim O'Reilly on Perl by Zaxo
in thread Tim O'Reilly on Perl by fauria

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