chore: restore original directory structure (project under code-review-graph-main/)

code-review-graph-main/tests/fixtures/sample.ex

@@ -0,0 +1,36 @@
+defmodule Calculator do
+  @moduledoc """
+  Simple calculator module.
+  """
+
+  def add(a, b) do
+    a + b
+  end
+
+  def subtract(a, b), do: a - b
+
+  defp log(msg) do
+    IO.puts(msg)
+    :ok
+  end
+
+  def compute(a, b) do
+    result = add(a, b)
+    log("result: #{result}")
+    result
+  end
+end
+
+defmodule MathHelpers do
+  alias Calculator
+  import Calculator, only: [add: 2]
+  require Logger
+
+  def double(x) do
+    Calculator.compute(x, x)
+  end
+
+  def triple(x) do
+    double(x) + x
+  end
+end