LINQ beginner (original) (raw)
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I have a pair of LINQ "group" statements, each outputs a IEnumerable<IGrouping<bool,int>>. Call these results a and b. I want to create four collections of ints, The ones that correspond to "a.Key && b.Key", "a.Key && !b.Key", "!a.Key && b.Key", "!a.Key && !b.Key".
I can convert a and b to Dictionaries with the ToDictionary extension method and have code like... var foo = from aa in aMap[true] join bb in bMap[true] on aa equals bb select aa;
...but then I need to check the dictionary keys exists, which is not a huge overhead but I can't help thinking there must be some way of "join"ing a and b directly...?
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