Add module documentation where it was missing

lib/crutches/enum.ex

@@ -1,4 +1,11 @@
 defmodule Crutches.Enum do
+  @moduledoc ~s"""
+  Convenience functions for enums.
+
+  This module provides several convenience functions operating on enums.
+  Simply call any function (with any options if applicable) to make use of it.
+  """
+
   @doc ~S"""
   Returns a copy of the `collection` without the specified `elements`.
 

lib/crutches/integer.ex

@@ -1,4 +1,11 @@
 defmodule Crutches.Integer do
+  @moduledoc ~s"""
+  Convenience functions for integers.
+
+  This module provides several convenience functions operating on integers.
+  Simply call any function (with any options if applicable) to make use of it.
+  """
+
   @doc ~S"""
   Return _just_ the ordinal of a number ("st", "nd", "rd", "th")
 

lib/crutches/list.ex

@@ -1,4 +1,11 @@
 defmodule Crutches.List do
+  @moduledoc ~s"""
+  Convenience functions for lists.
+
+  This module provides several convenience functions operating on lists.
+  Simply call any function (with any options if applicable) to make use of it.
+  """
+
   @doc ~S"""
   Returns the tail of the `collection` from `position`.
 

lib/crutches/map.ex

@@ -1,4 +1,11 @@
 defmodule Crutches.Map do
+  @moduledoc ~s"""
+  Convenience functions for maps.
+
+  This module provides several convenience functions operating on maps.
+  Simply call any function (with any options if applicable) to make use of it.
+  """
+
   @doc """
   Travel through a map by specifying a path, JSON-style.
   First parameter is the map, second parameter is the path (either as a list or a string).

lib/crutches/string.ex

@@ -8,6 +8,13 @@ defmodule Crutches.String do
     strip: 1
   ]
 
+  @moduledoc ~s"""
+  Convenience functions for strings.
+
+  This module provides several convenience functions operating on strings.
+  Simply call any function (with any options if applicable) to make use of it.
+  """
+
   @doc ~S"""
   Converts a `string` to `snake_case`.