Hash-Diff-Dispatch reviews

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Hash-Diff-Dispatch (0.01) *

A useful-looking module let down by negligable documentation. Supposedly executes code based upon the difference between two hashes, but does not explain how this is done, documenting only two methods ('new', 'update') even though the SYNOPSIS refers to two others ('off', 'on').

The author must have spent some time developing this module, as well as uploading it to CPAN, but that would be time better spent if it included five minutes on the POD.