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authorDavid Kalnischkies <david@kalnischkies.de>2014-11-06 12:53:59 +0100
committerDavid Kalnischkies <david@kalnischkies.de>2014-11-08 14:26:00 +0100
commitf105aaba433f5a8b9c4326dd0d704501bf07d1e5 (patch)
treee614eea939eedd34bfcb37e42c60261d2f654d60 /cmdline/apt.cc
parent60b64ffc3468579183abc1bac0179943d782a52e (diff)
better non-virtual metaIndex.LocalFileName() implementation
We can't add a new virtual method without breaking the ABI, but we can freely add new methods, so for older ABIs we just implement this method with a dynamic_cast, so that clients can be more ignorant about the API here and especially don't need to pull a very dirty trick by assuming internal knowledge (like apt-get did here).
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