fix-docs

docs/then.md

@@ -44,7 +44,7 @@ You can also call functions from other modules:
 defmodule Calculator do
   use Then
 
-  @then {Logger, :info}
+  @then {IO, :puts}
   def multiply(a, b) do
     a * b
   end
@@ -62,6 +62,20 @@ defmodule MyAudit do
 end
 ```
 
+**Aliased modules work too:**
+
+```elixir
+defmodule Calculator do
+  alias IO, as: MyIO
+  use Then
+
+  @then {MyIO, :puts}
+  def calculate(x) do
+    x * 2
+  end
+end
+```
+
 ### Real-world Example
 
 ```elixir
@@ -77,8 +91,8 @@ defmodule UserService do
   end
 
   # side effects separately
-  def audit_creation({:ok, user}), do: Logger.info("User #{user.email} created")
-  def audit_creation({:error, reason}), do: Logger.warn("User wasn't created. #{reason}")
+  def audit_creation({:ok, user}), do: IO.puts("✅ User #{user.email} created")
+  def audit_creation({:error, reason}), do: IO.puts("❌ User creation failed: #{reason}")
 end
 ```
 

mix.exs

@@ -36,12 +36,12 @@ defmodule Then.MixProject do
 
   defp docs do
     [
-      main: "then",
+      main: "getting-started",
       source_url: "https://github.com/bardoor/then",
       extras: [
-        "docs/then.md",
-        "CHANGELOG.md",
-        "LICENSE"
+        {"docs/then.md", title: "Getting Started", filename: "getting-started"},
+        {"CHANGELOG.md", title: "Changelog"},
+        {"LICENSE", title: "License"}
       ],
       groups_for_extras: [
         "Documentation": ["docs/then.md"],

test/then_test.exs

@@ -1,5 +1,7 @@
 defmodule ThenTest do
   use ExUnit.Case
+  import ExUnit.CaptureIO
+
   doctest Then
 
   defmodule TestModule do
@@ -579,4 +581,25 @@ defmodule ThenTest do
       assert_received {:arity_1, "one arg: z"}
     end
   end
+
+  describe "aliased external modules" do
+    test "works with aliased modules" do
+      defmodule AliasedTest do
+        alias IO, as: MyIO
+        use Then
+
+        @then {MyIO, :puts}
+        def test_aliased_call(value) do
+          value * 2
+        end
+      end
+
+      output = capture_io(fn ->
+        result = AliasedTest.test_aliased_call(5)
+        assert result == 10
+      end)
+
+      assert output == "10\n"
+    end
+  end
 end