EBOOK / PDF [An Outsider’s Guide to Statically Typed Functional Programming]

An Outsider’s Guide to Statically Typed Functional ProgrammingDynamically typed functional languages like Clojure and Elixir are now at the oint where I feel comfortable Clojure and Elixir are now at the oint where I feel comfortable a commercial application on them If you use Clojure instead of Java or "Elixir and Phoenix instead of Ruby on Rails you'll be fine Your app might still fail but "and Phoenix instead of Ruby on Rails you'll be fine Your app might still fail but won't be because of the technology Ruby on Rails you'll be fine Your app might still fail but won't be because of the technology typed functional languages like Elm Purescript Haskell or Idris are definitely becoming opular but in my opinion are not clearly safe bets for mainstream applications By mainstream I mean Applications that reuire only ordinary reliability I sometimes see HTTP 500 errors on websites I shrug and try again Netflix via my Fire media layer occasionally gets stuck loading a TV show I shrug bac.

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K out click on the show again and it works This restriction to reliability matters because the static FP languages are much obviously useful in cases where static FP are much obviously useful in cases where errors can kill The Lady and the Lionheart people Applications that work in messy domains Messy domains are ones likeayroll systems that have to deal with decades of special cases negotiated by unions Or enterprise applications with a long history of salespeople making special deals to close big sales–deals that reuire special case code somewhere in the system Or generally any application in direct contact with eople who can't be forced to behave in a consistent lawful way Applications that are continuously growing new features Sometimes one of those features force. S a rethink of a domain model and a major challenge is getting the architecture to a state where such rethinking doesn't have a ripple effect that makes every change hugely expensiveThe rogrammers who work on mainstream applications are rarely the target audience of the static FP literature They are exactly the target audience for this book My goal is to make the most compelling case I can that static FP will give you new abilities especially new abilities for modeling a messy domain riddled with exceptions to the rules I aim to do that By Teaching You Idioms Habits teaching you idioms habits design atterns that can make this style of rogramming an ordinary ractice for you make this style of rogramming an ordinary A (kinda) Country Christmas practice for youerform–rather than a "pile of ideas for you to connect. "of ideas for you to connect.