Elixir Sightseeing Tour

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defmodule Hello do def world() do IO.puts("Hello world") end end

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map = %{"conf" => "ClojuTRE"} new_map = Map.put(map, "conf", "smallFP") Map.get(map, "conf") #=> "ClojuTRE"

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Enum.map([1, 2, 3], fn n -> n * 2 end) #=> [2, 4, 6]

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[first, _, "hello"] = my_list

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case some_expression do 1 -> "it's one!" {_, _} -> "it's a 2-elem tuple!" _other -> "it's something else" end

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text |> send_email(to, cc) send_email(text, to, cc)

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send( set_status( put_cookie( set_session( add_cors_headers(request) ), cookie ), 200 ) )

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request = add_cors_headers() request = set_session(request) request = put_cookie(request, cookie) request = set_status(request, 200) send(request)

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spawn(fn -> IO.puts("I'm in another process!") IO.inspect(self()) end)

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send(pid, "hello!")

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receive do  message -> IO.puts("Received: #{message}") end

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send(dest_pid, {self(), {:add, 1, 7}}) receive do {:add_response, response} -> IO.puts("Response: #{response}") end

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send(dest_pid, {self(), {:add, 1, 7}}) receive do {:add_response, response} -> IO.puts("Response: #{response}") after 1000 -> IO.puts("Timeout :(") end

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ref = Process.monitor(dest_pid) send(dest_pid, {self(), {:add, 1, 7}}) receive do {:add_response, response} -> IO.puts("Response: #{response}") {:DOWN, ^ref, _, _, _} -> IO.puts("Process went down") after 1000 -> IO.puts("Timeout :(") end

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quote do add(1, 2) end

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two_code = quote do 1 + 1 end quote do add(1, unquote(two_code)) end

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if condition do expression end quote do case unquote(condition) do true -> unquote(expression) false -> nil end end