Real World Functional Programming with Kotlin

Transcript

1. Real world functional programming with Kotlin Ahmed Rizwan So7ware Engineer

   (Mobile)

2. Common Functional Techniques by Jordan Parmer

3. The Goal Go through a simple real world application dealing

   with control ?ow and errors, and demonstrate some functional techniques.

4. The Approach The concepts used/applied should be available on all

   industry-accepted functional programming languages.

5. FP Languages C# F# Java/Kotlin Scala Clojure JavaScript PureScript Elm

   Haskell Functional

6. FP Toolbox Functor Monads Applicatives …

7. Abstract DataTypes Option - Something or Nothing Either - Error

   or Success IO - Side ESects Try - Exception …

8. Arrow Functional Companion to Kotlin’s Standard Library hWps://arrow-kt.io

9. The Railway PaCern Elegant Control-Flow

10. The Railway PaCern Source Parse Transform Send Success Failure

11. Two Possible Results Parse Success Failure

12. Bypass to Failure Parse Transform Failure

13. Example Time!

14. None
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17. Live Coding

18. Code up on Github! https://github.com/ahmedrizwan/FunctionalKotlin-Demo