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Published on Apr 15, 2016
Logging is more complicated than most people realize, and when they do, it's too late to do anything about it until "next time." Learn how to use a writer monad as a logging mechanism in your code. More importantly though, learn why you would want to do this, and what the benefits are.
There is a price to pay in adopting this approach, but it's more "functional", addresses existing challenges, and enables new, exciting capabilities.