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December 18, 2016 20:14
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| defmodule Todo do | |
| use GenServer | |
| def init(tasks // "") do | |
| {:ok, tasks} | |
| end | |
| def handle_cast({:add, task}, tasks) do | |
| {:noreply, tasks <> " | " <> task} | |
| end | |
| def handle_cast({:remove, task}, tasks) do | |
| {:noreply, tasks |> String.replace("| #{task}", "")} | |
| end | |
| def handle_call(:all, _from, tasks) do | |
| {:reply, tasks, tasks} | |
| end | |
| end | |
| # {:ok, pid} = GenServer.start(Todo, "foo") | |
| # tasks = GenServer.call(pid, :all) | |
| # GenServer.cast(pid, {:add, "bar"}) | |
| # GenServer.cast(pid, {:remove, "bar"}) | |
| ## TODO | |
| # Encapsolate the GenServer logic in the module |
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I've seen better code from a 3 year old.