is a dessert available at , a Malaysian food chain. This is a must try if you ever visit Secret Recipe. Shinjuku Secret Recipe & are widely used functional programming language. Elixir runs on Erlang VM. Sometimes it may happen that you want to use Erlang code in Elixir and vice-versa. Here is a detailed guide how you can do that. Erlang Elixir For simplicity let’s assume we have two project one is in and another is in . We will call a hello function of Elixir from Erlang and another hello function of Erlang from Elixir. Also assume we have two modules ‘Erlang — erlang_test_cli’ and ‘Elixir — ElixirTest’. Erlang Elixir To get started for Erlang we have to setup few things. One is Elixir standard library and another is Elixir binary. Have a look on below codebase. We have added elixir ebin and elixir binary using . Then we have started compiler module and elixir module. Now you are ready to go… Setup — code:add_path() load_elixir() ->code:add_path("/usr/local/Cellar/elixir/1.7.2/lib/elixir/ebin/"),code:add_path("/Users/sakib/ElixirProjects/elixir_test/_build/dev/lib/elixir_test/ebin"),application:start(compiler),application:start(elixir),ok**.** — Go through below code. In our Erlang module we are calling elixir module . So to call elixir the format is . Lets check if it works. Uses erlang_test_cli 'Elixir.ElixirTest':hello() 'Elixir.ElixirModuleName':functionName() -module(erlang_test_cli)**. . -author("sakib") . %% API-export([hello/0, another_hello/0]) . %%% Calling Elixir from Erlanghello() ->'Elixir.ElixirTest':hello() .** another_hello() ->"Hello from Erlang" , Elixir Code defmodule ElixirTest def hello IO.puts("Welcome from Elixir.") ### Calling Erlang from Elixirdef anotherHello() IO.puts(:erlang_test_cli.another_hello())**end do do end do end** — Test %%% Compilerebar3 compile %%% Opening erlang shell with erlang_test project's binaryerl -pa _build/default/lib/erlang_test/ebin %%% Calling load_elixir() to setup elixir dependencieserlang_test_app:load_elixir(). %%% Calling hello from erlang_test_cli module which calls Elixirerlang_test_cli:hello(). %%% OutputWelcome from Elixir.ok See we have to got result as expected. ❤ . Now time to check if we can use Erlang library in Elixir We have a Elixir project created with . is a Elixir build tool. Mix Mix # Calling Erlang from elixir:erlang_test_cli.another_hello() If you want to call Erlang code from Elixir the format is . :module_name.function_name() — This is much more straightforward than Erlang. Just add Erlang project as a dependency in mix. Setup # Run "mix help deps" to learn about dependencies.defp deps [# {:dep_from_hexpm, "~> 0.3.0"},# {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},{:erlang_test, git: "https://github.com/s4kibs4mi/erlang_test.git"}] do end See we have added our erlang_test project as a dependency. # Get dependenciesmix deps.get # Compilemix compile # Run elixir_test project's binary with elixir shellies -S mix # Calling Erlang from elixirElixirTest.anotherHello() # OutputHello from Erlang:ok See we have got our result as expected this time as well ❤ It doesn’t matter whether you start your code with Erlang or Elixir. You can reuse it always. Keep Coding & Go functional. ❤
