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Postings from May 2016
Personally: • I agree /$empty/ should be deprecated. • I oppose changing its behaviour without a deprecation cycle. • I would enjoy seeing // as “last successful pattern” gone entirely someday as a matter of taste, but I now believe this is a bridge too far past necessity. Consider that qr// already does not mean to use the last successfully matched pattern – it just always matches. If /$empty/ is also changed, then there is no way to accidentally trigger that behaviour during an attempt to compose or pass around a pattern. The only way to get that behaviour would be with a literal // in the program source. At that point, the special case is so well circumscribed that I see no real gain in excising it entirely, however ancient-Unix-warty it may be. Regards, -- Aristotle Pagaltzis // <http://plasmasturm.org/>Thread Previous | Thread Next