module to validate recursive hash structures
DescriptionData::Validate::Struct validates a hash reference against a given hash structure. This is in contrast to Data::Validate in which you have to check each value separately. The hash could be the result of a config parser or just any hash structure. E.g. the hash returned by XML::Simple could be validated using this module. You may also use it to validate CGI input; just fetch the input data from CGI, map it to a hash and validate it.
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