Generic Variance
The concept of generic variance was introduced in Visual Basic 2010 and is divided into two areas: covariance and contra variance. This concept is related to inheritance versus generics and generic collections; a couple of examples are provided next for a better explanation.
Get Visual Basic 2015 Unleashed now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
