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Your succinctness is admirable, and the referenced article by Brian Goetz covers the problem nicely.

seh
– seh

2009-12-13 15:39:39 +00:00
Commented Dec 13, 2009 at 15:39
Thanks ! The link was in the first hits for "covariance", but that's the kind of situation where someone is looking for a concept, but they probably don't know the word ;)

phtrivier
– phtrivier

2009-12-13 18:50:50 +00:00
Commented Dec 13, 2009 at 18:50

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