This will be my last post before I head off for my annual vacation in Canada; see you again in September for more Fabulous Adventures in Coding!

Last time on FAIC I suggested a rule for translating nested “from” query expressions into a much simpler form than the C# specification requires. Why does the C# specification not use my simplified form?

In fact what I showed yesterday is pretty close to what the LINQ translation rules for SelectMany queries looked like shortly before shipping C# 3.0. The problem with it becomes apparent when you consider the following: Continue reading →