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Postings from September 2016
>> The type of matching to
>> perform should be determined entirely by the rhs, and any type of
>> matching that amounts to "ask the lhs whether it matches" is too
>> surprising and not useful enough to warrant being a built-in matching
>> rule.
I agree. We already have a way to "ask the lhs whether it matches" and
that system is called method dispatch.
sub UNIVERSAL::DumbMatch{0}
sub DumbMatchOnOdd::DumbMatch{ [0,1]->[$_[1] % 2] }
...
$SomeObjectOrOther->DumbMatch($PretzelPattern) and say "got a pretzel";
--
"Teaching radical novelties is our main safeguard against
dictatorships" -- Edsger W. Dijkstra
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