| DP News-Robot |
10. Okt 2014 00:22 |
Generics and variance
When working with generic collections there is often the question: "Why can't I just assign my TList to a variable of TList? TCustomer inherits from TEntity!" There is something called covariance and contravariance - but the bad news are: Delphi does not support ... http://feeds.feedburner.com/~r/delph...~4/2AU8dVs9Oqk
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