Web Reference: Protocols are a mechanism to achieve polymorphism in Elixir where you want the behavior to vary depending on the data type. We are already familiar with one way of solving this type of problem: via pattern matching and guard clauses. Supported Erlang/OTP versions: 25, 26, 27. 1. Elixir- standard library 2. EEx- templating library 3. ExUnit- unit test library 4. IEx- interactive shell 5. Logger- built-in Logger 6. Mix- build tool Protocols In this lesson we are going to look at Protocols, what they are, and how we use them in Elixir.
YouTube Excerpt: Filmed in Barcelona at ElixirConf EU 2017
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