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Ruby
unintuitive language feature (exclamation functions)
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[QUOTE="Stefano Crocco, post: 4616364"] The string returned by Cgi#[] are extended by the CGI::QueryExtension::Value module, which is an intentionally undocumented module defined in cgi.rb and adds methods like to_ary, first and last and modifies others (like []). I don't know whether this is documented or not, since I've never used this library. This fact, however, doesn't explain (at least I don't think so) the weird behaviors which have been reported in this thread. Stefano [/QUOTE]
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unintuitive language feature (exclamation functions)
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