>>>>> ""[EMAIL PROTECTED]" == "[EMAIL PROTECTED] com" <[EMAIL PROTECTED]> >>>>> writes:
"[EMAIL PROTECTED]> Those three things look like sets (unordered) to me not lists "[EMAIL PROTECTED]> (ordered). The natural datatype in Perl to represent a set of strings "[EMAIL PROTECTED]> is a hash with keys but no values. Unfortunately there's no elegant "[EMAIL PROTECTED]> way to initialise such a structure in a single step. Here's one of the "[EMAIL PROTECTED]> least inelegant ways. Yes, that might be the more natural expression, but then you get distracted with a "hash that has keys with irrelevant values" discussion that wasn't germane to the topic at hand... which is "using references". So I chose to implement those as lists, not hashes. Maybe a future learning perl/intermediate perl sequence will be more explicit about "representing sets as a hash", so I can use that there without having to explain two things at once. But I didn't have that technology here. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <[EMAIL PROTECTED]> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training! -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
