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Possible Duplicate:
C# ‘var’ vs specific type performance
I use the ‘var’ keyword extensively. A colleague told me there was a performance hit in using it, but couldnt back up his comment. Does anyone know of such a performance hit?
Someone asked that question on here already. In short, no, the IL code generated is the same. Therefore, no perf hit. If you ever wonder how one way of doing something differs from another, just write a sample and then use Reflector to analyze the differences.