Why can’t I use the array initializer with an implicitly typed variable? Why is the spec like this? What is the rationale here? I was not on the design team when this decision was made, and the design notes(*) are silent on this subject. However, I asked someone who was in the room in 2005 … Read more
Eric Lippert did an entire blog post on the subject. https://docs.microsoft.com/en-us/archive/blogs/ericlippert/why-no-var-on-fields In summary, the main problem is that it would have required a major re-architecture of the C# compiler to do so. Declarations are currently processed in a single pass manner. This would require multiple passes because of the ability to form cycles between inferred … Read more
Others have already pointed out that there are infinitely many possible delegate types that you could have meant; what is so special about Func that it deserves to be the default instead of Predicate or Action or any other possibility? And, for lambdas, why is it obvious that the intention is to choose the delegate … Read more