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Postings from November 2003
Alan Burlison <Alan.Burlison@sun.com> writes:
>> I think it had an effect if you applied it to the hash elements, but I
>> don't think it ever did anything to the hash itself.
>
>Actually, that's wrong, setting a hash to readonly did affect its behaviour
>even on 5.6.1, as the following test from the module test script checks:
>
># Check readonly-ness of hash structure.
>eval { $ks->{cpu_info}{$cpu}{$cpu_info} = {}; };
>print($@ =~ /^Modification of a read-only/i ? "ok $test\n" : "not ok $test\n");
>
>So the reuse of the readonly bit to implement restricted hashes has indeed
>broken existing working code. I'm now faced with having to have 2 versions
>of the module :-(
I _think_ that message is due to READONLY-ness of the _value_
>
>--
>Alan Burlison
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