Elixir |> Fun - Speaker Deck

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Elixir |> Fun

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UFRJ |> Startup |> Visagio Github: /victorlcampos Facebook: /victorlcampos Youtube: Cast2Dev

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defmodule Elixir do @moduledoc “”” Elixir is a dynamic, functional language designed for building scalable and maintainable applications. Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, while also being successfully used in web development and the embedded software domain. “”” end

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Why is Elixir Fun?

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Functional Paradigm

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Same Argument Same Result

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No Share States

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No Side Effects

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Unit Test is SO EASY NOW

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Concurrency If you are locking you are probably doing something (very) wrong!

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Erlang 99.999999999%

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Erlang (29 anos)

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Erlang (OTP) The (right) answer for concurrency problems. Ask Whatsapp!!

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But... (Very) Ugly Syntax

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Elixir comes to renew the Erlang Syntax SO...

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The pipe operator |> g(h(f(x))) x |> f() |> h() |> g()

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Pattern matching

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Pattern matching

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Lazy Evaluation

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Tail Call Optimization (forget Stack Overflow)

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Macros (with great power comes great responsibility)

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Scalability (1 million processes in 7 s)

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Fault-tolerance

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Where can I use this to solve real problems?

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