Functional converter project
0 likes354 views
The document discusses converting code from object-oriented programming to functional programming, focusing on concepts like immutability, recursion, and composition. It highlights common functional programming techniques like mapping, filtering, reducing, and list comprehensions. The document also provides references for learning more about functional programming in Clojure, Haskell, F#, and other languages.
![Every lang has it
;; Clojure
(map inc (range 1 20))
-- Haskell
map (+ 1) [1..20]
// F#
List.map ((+) 1) [1; 2; 3; 4]
// Java Part of `Stream` API
Arrays.asList(1, 2, 3, 4, 5).stream().map(i -> i + 1);
// C# Using LINQ extension methods
new List<int>() { 1, 2, 3, 4, 5 }.Select(i => i + 1);](https://image.slidesharecdn.com/functionalconverter-171007225501/85/Functional-converter-project-24-320.jpg)
Functional converter project
- 2. About me @abarylko / @amirci Software consultant Entrepreneur Employee Living in California
- 8. Bread & Butter What is the most common construct?
- 9. Immutability
- 11. No more state
- 13. Persistent CollectionsShared structure and thread safe
- 14. REPL Time!
- 15. Loops
- 18. REPL Time!
- 20. Construct •Based on other lists •Map •Filter •Combine
- 21. REPL Time!
- 22. Idioms & Recipes
- 24. Every lang has it ;; Clojure (map inc (range 1 20)) -- Haskell map (+ 1) [1..20] // F# List.map ((+) 1) [1; 2; 3; 4] // Java Part of `Stream` API Arrays.asList(1, 2, 3, 4, 5).stream().map(i -> i + 1); // C# Using LINQ extension methods new List<int>() { 1, 2, 3, 4, 5 }.Select(i => i + 1);
- 25. Tools in your belt Mapping Filtering Concatenation Taking & Dropping Reduce Zipping Group Frequencies Iterate/Unfold Partition
- 26. REPL Time!
- 27. Thank you!
- 28. References Coding Rehab - http://codingrehab.com Clojure for the brave and true - https://www.braveclojure.com Learn you a Haskell - http://learnyouahaskell.com/ F# for fun and profit - https://fsharpforfunandprofit.com/