Elixir - An introduction - Speaker Deck

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Elixir an introduction Philip Sampaio - @philipsampaio

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why

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Why I start using it

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My ﬁrst open source contribution :)

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I was not ready

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v0.5.0

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Elixir was not ready

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in the meanwhile…

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finally!

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why

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why start using it?

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a lot of clients

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–Joel Spolsky - http://bit.ly/1dhQr8g “It’s harder to read code than to write it.”

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it’s easy to read

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Here comes an image of the ﬁbonacci formula.

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–Dave Thomas, author of Programming Elixir “Programming should be about transforming data”

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fun

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functional

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fault-tolerant

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productivity

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what

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types, syntax and features

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types

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numbers

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42

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3.14

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“string”

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:atom

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true, false

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[42, 3.14]

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{:ok, “content”}

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%{:type => “map" }

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fn(n) -> n + 32 end

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#PID<0.101.0>

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many more types

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types, syntax and features

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syntax

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functions

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modules

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pipes

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control-flow

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processes

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types, syntax and features

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features

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IEx

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interactive shell

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mix

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build tool / task runner

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hex

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packages repository

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publish packages

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OTP

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Open Telecom Plataform

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design principles

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libraries

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GenServer

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Supervisor

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when

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when to use Elixir?

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every internet related project

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whenever you need reliable software

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fast systems

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concurrent systems

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… when?

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now!

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• Getting Started: http://elixir-lang.org/getting-started/ introduction.html • Elixir Radar: http://blog.plataformatec.com.br/ 2015/01/introducing-elixir-radar-the-weekly-email- newsletter-about-elixir/ • Elixir Conf 2014 talks: http://confreaks.tv/events/ elixirconf2014 • Elixir Conf EU 2015 talks: http://bit.ly/elixirconf- eu-2015-videos

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Thanks! Starts with the motivation Then go to system using it Then go to characteristics @philipsampaio