On Jul 17, 2004, at 1:03 PM, A. Pagaltzis wrote:
Because it would be very silly to have a virtual package for XML::Parser and XML::LibXML -- they can't be used as drop-in replacements for one another. It *would* be useful to be able to say "I have written this module to work with XML::Parser v.$foo or XML::LibXML v.$bar".
Right, in which case you would require the virtual package. Otherwise...you wouldn't.
You can depend on DBI::Config v.$foo to indicate "I need a DBD which understands version $foo of the DBD interface" in that case.
And how does the installer know that?
David
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