From 40616a78fd85854c6c40b426f4bb72e2300a73af Mon Sep 17 00:00:00 2001
From: Benjamin Kirkbride <benjaminkirkbride@gmail.com>
Date: Sun, 7 Jun 2020 20:31:30 -0400
Subject: [PATCH] doc(layer): _get_caster docstring

---
 pytiled_parser/layer.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pytiled_parser/layer.py b/pytiled_parser/layer.py
index 4ac0073..2376744 100644
--- a/pytiled_parser/layer.py
+++ b/pytiled_parser/layer.py
@@ -224,6 +224,14 @@ def _cast_group_layer(raw_layer: RawLayer) -> LayerGroup:
 
 
 def _get_caster(type_: str) -> Callable[[RawLayer], Layer]:
+    """ Get the caster function for the raw layer.
+
+    Args:
+        type_: the type of the layer
+
+    Returns:
+        Callable[[RawLayer], Layer]: The caster function.
+    """
     casters = {
         "tilelayer": _cast_tile_layer,
         "objectgroup": _cast_object_layer,