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Is Linq For Mortals?
time to read 2 min | 228 words
Mike Taulty has posted about Linq syntax, at the end, he shows a simple way to do joins and then aggregation between two collections. The code looks like this:
var a = products.Join(
sales,
p => p.Id,
s => s.ProductId,
(p,s) => new { Country=s.Country, Sales=s.Sales, Product=p.Name })
.GroupBy( p => new { p.Country, p.Product })
.Select( gp => new { gp.Key, TotalSales = gp.Sum(s => s.Sales) });
I am sorry, but I cant read this. I can't even understand what this is meant to do. Now, I am the first to admit that my knowledge of Linq is weak at best, but still... Assume that I have a bug in such a code, how do I debug it?
That is a much bigger concern to me, I am not worried about learning the new stuff, I am worried about what I need to do when they break. I have some experiance in debugging applications via Reflector, and that is not nice. Especially if the compiler is doing funky magic and you are left reading the IL.
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