Introduction to Elm

Talk I gave at Hashrocket Mini Conf about the wonderful Elm language.

Transcript

1. Make the web functional again. Elm
2. What is Elm?
3. Functional Reactive Programming Language
4. Statically Typed
5. Compiles to JavaScript Generates HTML and CSS
6. Evan Czaplicki Present: Developed in 2012 by
7. Why Elm?
8. No more runtime exceptions!
9. Pure X ⇒ Y
10. Immutable
11. Blazing Fast Rendering
12. State History (and free time travelling debugger)
13. Type inference (but you’ll end up defining your types)
14. Interactive Programming Due to Hot Swapping
15. Composable Components Like React, but components can run independently
16. Amazing Tools!
17. REPL Package Manager Compiler Reactor Debugger
20. Free and Automatic Semantic Versioning
21. Smooth JavaScript interop JS
22. Easy(er) syntax and lower learning curve * When compared to other functional languages ** terms and conditions may apply
23. Elm Syntax Crash Course
24. Literals
25. Manipulating Literals
26. Lists
27. Functions Anonymous functions
28. Records
29. Type Annotations
30. Type Aliases
31. Elm Architecture Basic Concepts
32. MUV = { Model Update View }
34. Signals
37. Mailboxes
38. DEMO
39. Thank You!