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Intro. to Elm - Mitchel Kelonye
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Developer Circles: Nairobi
May 05, 2017
Programming
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Intro. to Elm - Mitchel Kelonye
An introduction to them Elm programming language.
Developer Circles: Nairobi
May 05, 2017
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Transcript
Intro to Elm
About me • Mitchel • Frontend Dev @ teamweek.com (team
planning software) • https://twitter.com/kelonye • https://github.com/kelonye • http://kelonye.com
None
What is Elm • Elm is a functional language that
compiles to JavaScript. • Alternatives: • Babel • Typescript • Coffeescript
Why Elm?
undefined is not a …
Elm features • Strong static types (string, int, float …
less unit tests) • No runtime errors (no null or undefined in the language) • Immutability (redux) • Reactive • Elm: model(sate), view, update • React/Redux: react(view), redux (sate, update)
Values • Types • Immutable
Patterns (how do I build actual apps?) • HTML package
- http://package.elm-lang.org/packages/elm- lang/html/latest/Html • Demos: 1. view 2. view, model, update 3. view, model, update, subscriptions
Resources • http://elm-lang.org/ • http://elm-lang.org/docs/syntax • http://package.elm-lang.org/ • https://www.reddit.com/r/elm/