Erlang - Dive Right In
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Erlang is a functional programming language built for reliability and concurrency. It is used to build scalable and fault-tolerant systems through features like its supervision tree, behaviors, and OTP framework. The document recommends learning more about Erlang through various books and online resources, and suggests trying out the build tools rebar and ChicagoBoss or contributing to open source projects like Riak to get hands-on experience with the language.
Erlang - Dive Right In
- 1. Erlang DIVE RIGHT IN A short presentation with bullet points but no lolcats in a default keynote theme by Vaughan Allan http://github.com/vorn
- 3. Erlang in 2 minutes • Functional • Built for reliability (nine nines) • Some nice adjectives include: • concurrent, distributed, “soft real-time” • fault tolerant • scalable (cloud-scale, web-scale) • green (sort of)
- 4. Erlang in 2 minutes • Gotchas include: • It looks a lot like Prolog • Immutability • No “loops” (use tail recursion, or map funs) • Strings are weird-ish
- 5. OTP in 5 minutes • It’s an application framework • Release handling (sort of), hot code-swapping • Supervision Tree • Patterns (behaviours)
- 7. Behaviours • gen_sup - supervisor, often linked to one of: • gen_server - generic module • gen_fsm - finite state machine • gen_event - event-driven pub/sub
- 9. Read Something “Don't drink too much • http://learnyousomeerlang.com Kool-Aid” • “Programming Erlang” (pragprog.com) • “Erlang Programming” (O’Reilly) - good for learning OTP • “Erlang and OTP in Action” (Manning) • “7 Languages in 7 weeks” (pragprog.com)
- 10. Build Something • rebar - a build tool (on steroids) • ChicagoBoss - (Rails-like MVC Framework) • for immediate gratification • webmachine by Basho (a “REST Toolkit”) • Emacs! (?)
- 11. Hack Something • ChicagoBoss - http://github.com/evanmiller • http://github.com/languages/Erlang • Riak, RabbitMQ , eJabberd, CouchDB
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