With it's 3.5 extensions, the .NET framework started to turn into a really cool looking programming concept, last but not least due to the syntactic sugar of LINQ. A reason for that is surely it's functional look. Well, as LINQ is integrated into an imperative context, it won't be ever able to guarantee state-free evaluation as a genuine functional language does. Nevertheless it's worth to discuss and play around with a few aspects of it in terms of a multiple programming paradigm concept.  → read more …